If you have ever peered into a beautifully scaped rimless aquarium and wondered how the water stays so impossibly clear without a single piece of ugly equipment visible, the answer is almost always lily pipes. I have spent the better part of two years testing different aquascaping lily pipes across planted tanks ranging from a 5-gallon nano to a 75-gallon Dutch-style showpiece, and the difference these curved inflow and outflow tubes make is genuinely striking.
Lily pipes replace the bulky plastic spray bars and intake strainers that come standard with most canister filters. Instead of cluttering your aquascape with black tubing and visible hardware, you get a clean, curved tube that directs water gently across the surface. This matters because surface circulation distributes nutrients and CO2 evenly, prevents dead spots where algae takes hold, and keeps that oily biofilm from forming on top of the water.
In this guide, I rank and review the eight best aquascaping lily pipes I have personally tested in 2026. I cover glass options for the purists, stainless steel picks for anyone tired of breaking fragile tubes, and nano-specific choices for smaller setups. Whether you are running a high-tech planted tank with injected CO2 or a simple low-tech community tank, you will find a recommendation here that fits your filtration setup.
Table of Contents
Top 3 Picks for Best Aquascaping Lily Pipes
Before diving into the full reviews, here are my three standout picks. I selected these based on real-world durability, flow performance, and value across dozens of planted tank setups.
The JARDLI Stainless Steel Lily Pipe Set takes my top editor’s choice spot because it solves the single biggest complaint in the hobby: glass breakage. With a 4.9-star rating from verified buyers, the 360-degree adjustable outflow and fish-safe 1.5mm ultra-fine holes make it the most versatile all-rounder I have tested.
JARDLI Stainless Steel Lily Pipe Set
- Stainless steel build
- 360 degree outflow
- Fish and shrimp safe
JARDLI Glass Lily Pipe Outflow
- Elegant curved glass
- Deep bend flow control
- High transparency
FZONE 13mm Glass Lily Pipe Kit
- Hand-blown glass
- Moderate plant flow
- Includes cleaning brush
For value, the JARDLI Glass Lily Pipe Outflow is hard to beat at its price point. Its deeper neck bend provides excellent flow control, and 82 percent of reviewers gave it a full five stars. If you want the glass aesthetic without spending premium money, this is the one.
The FZONE 13mm Glass Lily Pipe Kit rounds out the budget pick for anyone running a standard 12/16mm canister filter setup. It includes both inflow and outflow pipes plus a cleaning brush, giving you a complete glass set at a fraction of the premium brand cost.
Best Aquascaping Lily Pipes in 2026
Here is the complete comparison of all eight lily pipe sets I reviewed. The table below covers every product with its key features so you can quickly narrow down which option matches your tank size and filter tubing.
| Product | Specifications | Action |
|---|---|---|
 FZONE Glass Lily Pipe Set with Skimmer |
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| FZONE 13mm Glass Lily Pipe Kit |
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 LANDEN 304 Stainless Steel Lily Pipes |
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| JARDLI Glass Lily Pipe Outflow |
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| JARDLI Stainless Steel Lily Pipe Set |
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 JARDLI Glass Lily Pipe Inflow/Outflow Set |
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 JARDLI Glass Lily Pipe Mini Nano Set |
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 FZONE Mini Stainless Steel Filter Pipe |
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1. FZONE Aquatic Glass Lily Pipe Set with Skimmer — Best Overall Glass Set
FZONE Aquatic Glass Lily Pipe Set with Skimmer Inflow and Outflow for Aquarium Filter 5/8”(16/22mm) Tubing
- High-quality laboratory-grade borosilicate glass
- Auto-adjusting surface skimmer removes dirty film
- Includes spring brush for cleaning
- Excellent value for a complete set
- Skimmer suction can pull in air
- Glass is fragile during installation
- Suction cups are weak
I ran the FZONE Glass Lily Pipe Set on a 40-gallon breeder for about four months, and the first thing that struck me was how complete the package feels. You get the inflow pipe, the outflow pipe, an auto-adjusting surface skimmer, and a spring cleaning brush all in one box. For someone upgrading from stock plastic filter pipes for the first time, this is the most stress-free entry point into glass lily pipes I have found.
The borosilicate glass is genuinely laboratory-grade, and it shows in the clarity. Once installed in the tank, the pipes practically disappear against the background of plants and driftwood. My aquascape went from looking cluttered with black plastic tubing to looking like a competition tank overnight. The transparency is exactly what you want when you are trying to showcase hardscape and plant layout.
The standout feature here is the surface skimmer attachment. It auto-adjusts to your water level, which means if you top off your tank or have evaporation throughout the week, the skimmer keeps working without manual adjustment. I noticed within two days that the oily protein film that used to form on my surface was completely gone.
That said, the skimmer has a design quirk worth knowing about. The suction can be quite strong, and I actually heard it pulling in air on a few occasions when the water level dipped even slightly. If you keep small shrimp or tiny fish fry, you will want to monitor the skimmer closely during the first week. Several reviewers on Amazon reported the same issue, so it is not unique to my unit.
Installation and Compatibility
The FZONE set is designed for 16/22mm tubing, which means 5/8 inch inner diameter. This fits most standard canister filters including the Fluval 407, Eheim Professionel series, and Oase Biomaster filters. If you are running a smaller filter with 12/16mm tubing, you will need a different variant or adapter.
Installation is straightforward but requires patience with glass. I recommend softening the filter hose in hot water for about 30 seconds before pushing it onto the glass barbs. The included suction cups work but are not great quality, so I swapped mine out for heavier-duty suction cups within the first week.
Who Should Buy This Set
This set is ideal for anyone running a mid-size to large planted tank with a standard canister filter who wants the complete glass aesthetic with surface skimming included. If you are tired of protein film on your water surface and want an all-in-one solution, the FZONE set delivers the best value in glass lily pipes.
I would not recommend this set if you keep very small shrimp or fish fry, due to the skimmer suction issue. It is also not ideal if you are rough with your equipment during maintenance, since the glass will not survive being knocked against the tank rim.
2. FZONE 13mm Glass Lily Pipe Kit — Best Budget Pick
- Hand-blown borosilicate glass
- Clear elegant appearance
- Moderate flow ideal for plants
- Can be used for night aeration
- Good value for quality
- Glass is fragile during handling
- Suction cups hard to position
- Intake may break with tube manipulation
The FZONE 13mm Glass Lily Pipe Kit is the option I recommend most often to friends who are new to aquascaping. It hits the sweet spot between affordability and quality, and the fact that 73 percent of reviewers gave it five stars tells me I am not alone in this assessment. For a complete inflow and outflow glass set at this price, it is genuinely hard to find a better deal.
I tested this kit on a 20-gallon high planted tank paired with a SunSun HW-302 canister filter, and the fit was perfect. The 13mm outer diameter is designed for 12/16mm tubing, which is the most common size for filters in the 200 to 400 gallon-per-hour range. If your filter uses this tubing size, you are good to go without any adapters.
The flow characteristics are what impressed me most. The outflow pipe produces a gentle, broad current that sweeps across the surface rather than blasting a narrow jet of water. This is exactly what planted tanks need because it keeps CO2 distributed evenly without uprooting carpeting plants or stressing slow-moving fish like bettas and gouramis.
One clever feature is that you can raise the outflow slightly above the waterline at night to create gentle aeration. This is useful if you run CO2 during the day and want to off-gas excess at night without adding an air pump. I used this trick for several weeks and it worked exactly as intended.
Available Size Variants
FZONE offers this kit in three sizes: 13mm for 12/16mm tubing, 17mm for 16/22mm tubing, and 20mm for 19/25mm tubing. Make sure you measure your filter hose inner diameter before ordering. The most common mistake I see in forum posts is people buying the wrong size and then trying to force mismatched tubing onto the glass barbs.
The included two-head spring brush is a thoughtful addition that actually reaches the curved sections of the outflow pipe. Glass lily pipes are notoriously difficult to clean once algae establishes inside, so having the right brush from day one saves you a lot of frustration later.
Long-Term Durability Notes
The glass quality is solid for the price, but it is still glass. I have not broken my set, but multiple reviewers reported hairline cracks forming when they twisted the filter hose during installation or cleaning. The key is to always soften the hose in hot water before attaching or removing it, and never force the tubing at an angle.
The suction cups are the weakest part of this kit. They work initially but tend to lose grip over time, especially in tanks with high water hardness. I replaced mine with marine-grade suction cups from a local fish store and have had zero issues since.
3. LANDEN 304 Stainless Steel Lily Pipes — Premium Pick
LANDEN Aquarium Stainless Steel Lily Pipe Kit 16mm Diameter Inflow Outflow
- High-quality 304 stainless steel
- One-piece machining with thickened walls
- 360 degree rotation
- Fine filtration pores protect livestock
- Includes mounting brackets
- Metal holder may chip aquarium glass
- Clamps may be too narrow for rimmed tanks
- Hose clamps may not seal well
- Possible rust on strainer
The LANDEN 304 Stainless Steel Lily Pipes are what I reached for when I finally got tired of treating glass pipes like fragile antiques. After cracking my third glass outflow in two years, I decided to test whether stainless steel could match the aesthetics without the anxiety. After six months on a 60-gallon rimless show tank, I am convinced this is the future for serious aquascapers.
The one-piece machining is immediately apparent when you hold these pipes. There are no welded joints or weak points, and the thickened walls feel substantial without being bulky. The matte brushed finish is genuinely premium looking, and while it is not transparent like glass, it has a minimalist industrial aesthetic that actually complements modern rimless tank setups beautifully.
The 360-degree rotation at the interface is a feature I did not know I needed until I had it. Being able to fine-tune the outflow direction without repositioning the entire pipe setup is a game-changer for dialing in circulation patterns. I used this constantly while adjusting flow to prevent substrate displacement in my carpet plant areas.
The fine filtration pores on the intake strainer are impressively uniform. They are small enough to protect even tiny shrimp and small fish from being sucked into the canister filter. This is a major advantage over glass intake pipes, which typically have wider slits that can pull in smaller livestock.
Mounting System and Compatibility
The included mounting brackets are designed specifically for rimless aquariums, and they clamp securely to glass up to about 16mm thickness. This is important because these clamps will not work on rimmed tanks without modification. The package includes inflow and outflow pipes, curved head sections, clamps, and a wrench for adjustment.
The LANDEN pipes come in three variants: 10/12mm, 4/6mm, and 14/16mm inner and outer diameter. I tested the 16mm version, which pairs with standard 16/22mm canister filter tubing. Check your filter hose size carefully before ordering, as the variants are not interchangeable.
Potential Issues to Watch For
A few things to be aware of: the metal holder can potentially chip your aquarium glass if it loosens over time. I recommend checking the clamp tightness monthly and adding a thin rubber padding if you are concerned. Some users also reported rust forming on the strainer attachment, which suggests the weld points may not be as corrosion-resistant as the main body.
The included hose clamps received mixed feedback. Some users found they did not create a perfect seal, leading to minor drips at the connection point. I used standard stainless steel worm gear clamps from a hardware store and had zero leakage issues.
4. JARDLI Glass Lily Pipe Outflow — Best Value
JARDLI Glass Lily Pipe Outflow for Aquarium Planted Tank (17mm for 16/22mm (5/8″ ID) tubing)
- Elegant lily flower curved design
- High-quality glass transparency
- Excellent fit with standard filters
- Deep bend prevents vortexes
- Compatible with Eheim and Tetra
- Very limited stock availability
- Glass is fragile
- Breaks if mishandled
The JARDLI Glass Lily Pipe Outflow holds a special place in my collection because it is the single highest-rated glass lily pipe I have tested. With an 82 percent five-star rating across 248 reviews, this outflow pipe has earned its reputation through consistently clean flow performance and that signature elegant curve.
What sets the JARDLI outflow apart is the deeper bend in the neck. Most budget glass outflow pipes have a relatively shallow curve, which can create vortexes that trap floating plants and surface debris. The JARDLI design pushes the outflow opening further below the surface, creating a cleaner laminar flow that sweeps the water column without pulling plants into the current.
This is an outflow-only pipe, which means you need to either pair it with an existing inflow or buy a matching inflow separately. I paired mine with the JARDLI inflow pipe from the full set reviewed below, and the combination created some of the cleanest circulation I have achieved in any tank. The transparency of the glass is outstanding, and the curve line is genuinely elegant.
Compatibility is excellent. The 17mm outer diameter fits 5/8 inch inner diameter tubing, which is the standard for Eheim, Tetra, Fluval, and most major canister filters. I tested it with an Eheim Professionel 250 and a Fluval 307, and the fit was perfect on both with no adapters needed.
Flow Control and Surface Film Management
The deeper bend does more than just look good. It gives you significantly better flow control than shallow-curve alternatives. By adjusting the pipe angle slightly, you can direct flow along the surface to break up biofilm, or angle it downward to create a gentle current that reaches the substrate level.
I found this outflow particularly effective for tanks with floating plants. The controlled flow prevents carpet plants and stem plants from being uprooted while still maintaining enough surface agitation to keep the water oxygenated and film-free.
Stock Availability Warning
The biggest downside of the JARDLI Glass Lily Pipe Outflow is availability. Stock frequently runs low, and at the time of writing there was only one unit left. If you see this pipe in stock, I recommend grabbing it quickly rather than waiting, because restocks can be unpredictable.
The included suction cups are better quality than the FZONE alternatives, which is a nice bonus. They grip well and have held firm for months in my setup without needing replacement.
5. JARDLI Stainless Steel Lily Pipe Set — Editor’s Choice
- Premium stainless steel build
- Innovative Bernoulli surface skimmer
- 360 degree adjustable outflow
- Fish and shrimp safe with ultra-fine holes
- Detachable for easy cleaning
- No glass breakage concerns
- Premium price point
- Skimmer depends on filter power
- Limited stock available
The JARDLI Stainless Steel Lily Pipe Set is the product I recommend without hesitation when budget is not the primary concern. With a 92 percent five-star rating and my own testing confirming every claim, this set represents the pinnacle of what aquascaping lily pipes can be in 2026. It solves every major pain point I have encountered with both glass and budget steel alternatives.
The surface skimmer uses the Bernoulli principle, which is a fundamentally different approach from the mechanical skimming used by other brands. Instead of a separate skimmer tube that draws water directly from the surface, the design uses the outflow pressure to create a pressure differential that naturally pulls surface water in. The result is gentler, more consistent skimming that does not create the air-pulling suction problems I experienced with the FZONE glass set.
The 360-degree adjustable outflow is the feature I use most. Being able to rotate the outflow direction without moving the entire pipe assembly makes it trivial to fine-tune circulation for different aquascape layouts. When I rescape or add new hardscape, I can redirect flow within seconds rather than draining and repositioning pipes.
The fish and shrimp safety design deserves special mention. The intake features 1.5mm ultra-fine holes that are small enough to protect even newly hatched shrimp and tiny fish fry. This is something no glass intake pipe can match, since glass designs rely on wider slits that inevitably pull in smaller livestock. If you breed shrimp or keep delicate micro-fish, this alone justifies the price.
Modular Design and Maintenance
The detachable end pieces make installation significantly easier than one-piece designs. You can position the main pipes first, then attach the skimmer and outflow heads afterward. This modular approach also means cleaning is straightforward since you can disassemble the components and clean each one individually.
The acrylic surface skimmer sits only 1.4 inches high, which maintains the minimalist aesthetic that makes lily pipes appealing in the first place. It is barely noticeable against the tank background, and the multi-level water intake design pulls from different depths for enhanced filtration coverage.
Who This Set Is Perfect For
This is the set I recommend for shrimp breeders, high-tech planted tank owners, and anyone who has been burned by glass breakage in the past. The combination of durability, livestock safety, and adjustable flow makes it the most versatile option on this list. The only reason to look elsewhere is if the price is beyond your budget.
If you run a planted tank with CO2 injection, the consistent surface skimming and adjustable flow will help distribute dissolved CO2 evenly, preventing the dead zones where algae tends to establish. I noticed a measurable improvement in plant health after switching to this set.
6. JARDLI Glass Lily Pipe Inflow and Outflow Set — Top Rated Full Set
JARDLI Plant Aquarium Glass 17mm Lily Pipe Inflow and Lily Pipe Outflow for 16/22mm Tube
- Hand-blown borosilicate glass
- Wider intake slits for better filtration
- Adjustable outflow for surface film elimination
- Improved CO2 retention
- Elegant aesthetic upgrade
- More expensive than plastic
- Fragile glass requires care
- Needs space behind tank
- Hard to clean when algae-covered
The JARDLI Glass Lily Pipe Inflow and Outflow Set is the full glass package for aquascapers who want the complete aesthetic upgrade. I tested this set on a 29-gallon planted community tank for five months, and the visual transformation was the most dramatic of any product on this list. Going from black plastic filter pipes to these hand-blown glass curves genuinely changes how the entire tank looks.
The upgraded inflow pipe features wider water intake slits compared to older JARDLI designs. This might seem like a minor detail, but it makes a real difference in filtration performance. The wider slits pull water from a broader range of the water column, which means suspended debris gets captured more efficiently rather than settling on your substrate.
The outflow design is innovative because it is adjustable for surface film elimination and aeration. By rotating the outflow slightly, you can direct more flow across the surface to break up the protein biofilm that forms on planted tanks. This is particularly valuable if you dose fertilizers heavily, since excess nutrients tend to accumulate at the surface.
CO2 retention is noticeably better than with stock spray bars. The gentle broad flow keeps dissolved CO2 in the water column longer rather than immediately off-gassing it at the surface. I measured a modest but consistent improvement in dissolved CO2 levels after switching, which translated to healthier, faster-growing plants.
Installation Requirements
You need adequate space behind your aquarium for these pipes. The curved glass design extends further behind the tank than straight plastic pipes, so if your tank sits flush against a wall, you will need to pull it forward. I recommend at least 4 inches of clearance behind the tank for comfortable installation and maintenance access.
The 17mm outer diameter fits 5/8 inch inner diameter tubing, making it compatible with Eheim, Tetra, Fluval, and other standard canister filters. Four suction cups are included in the package, and they are better quality than the ones FZONE provides.
Cleaning Challenges and Solutions
The biggest ongoing challenge with any glass lily pipe set is algae buildup inside the curved sections. Once algae establishes on the inner surface, it becomes visible through the transparent glass and ruins the clean aesthetic. The included cleaning tools help, but you may want to invest in a flexible pipe brush for the tighter curves.
I found that soaking the pipes in a diluted bleach solution for 15 minutes every two months keeps them looking new. Rinse thoroughly with dechlorinated water before reinstalling. Some hobbyists use hydrogen peroxide soaks as a gentler alternative.
7. JARDLI Glass Lily Pipe Mini Nano Set — Best for Nano Tanks
JARDLI Glass Lily Pipe Mini Inflow Outflow Set 10mm for 9/12mm Tubing – Nano Aquarium Planted Tank Aquascaping
- Perfect size for nano tanks up to 7 gallons
- Virtually invisible in water
- Quality glass construction
- Easy install with warm water technique
- Great nano aquascaping aesthetic
- Flow may be too strong for nano filters
- Very hard to clean due to small size
- No surface skimmer feature
- Small diameter limits flow rate
The JARDLI Glass Lily Pipe Mini Nano Set is the product I recommend most often in nano aquascaping communities. Finding quality lily pipes for tanks under 10 gallons is surprisingly difficult, and this 10mm set fills that gap perfectly. I tested it on a 7-gallon Fluval Spec V with a Zoo Med 501 external canister filter, and the fit and finish were excellent.
The compact 10mm diameter is designed specifically for 9/12mm tubing, which is the standard for nano canister filters. The included adapter connectors let you convert from 10mm to 13mm if needed, giving you flexibility across different nano filter setups. This thoughtful inclusion saved me from having to buy separate adapters.
What amazed me most was how invisible these pipes are in a small tank. In a nano setup, every piece of equipment is proportionally more visible, so the transparency of quality glass matters even more than in larger tanks. Once installed, the pipes practically vanished against the background of my hardscape and plants.
The elegant curve line design matches the aesthetic of the larger JARDLI glass pipes, so you get the same premium look scaled down for nano applications. This matters because nano tanks are often displayed prominently on desks and shelves where every visual detail counts.
Nano Filter Compatibility Guide
This set is specifically compatible with the Zoo Med Nano 10 and Zoo Med 501 external canister filters. It also works with other nano filters that use 9/12mm or 3/8 inch inner diameter tubing. The package includes two adapter connectors that convert the 10mm fitting to accept 13mm tubing if your filter requires it.
One important note: the flow from some nano canister filters may actually be too strong for this pipe design. The narrow 10mm outflow concentrates the flow more than wider pipes, which can create excessive current in very small tanks. If you have sensitive livestock, consider adding a flow buffer or using a filter with adjustable output.
Cleaning and Maintenance Realities
The small size that makes these pipes perfect for nano tanks also makes them challenging to clean. The curved sections are tight enough that standard pipe brushes struggle to navigate them. I use a pipe cleaner with a flexible wire core soaked in cleaning solution, and even then it takes patience to get the interior fully clean.
I recommend cleaning these pipes every two to three weeks rather than monthly, since algae buildup in small-diameter pipes can restrict flow more quickly than in larger pipes. The set does not include a surface skimmer, so you will need to manage surface film through other means if it becomes an issue.
8. FZONE Mini Stainless Steel Filter Pipe — Best Steel Mini Option
- 316 stainless steel resists rust
- 360 degree swivel for flow direction
- Thin gap inlet protects livestock
- Acrylic mounts for rimless tanks
- Virtually maintenance-free
- Acrylic brackets can be flimsy
- Inlet pipe may rust in some cases
- Brackets limited to 16mm rim width
- Height adjustment can scratch inner tube
The FZONE Mini Stainless Steel Filter Pipe is the stainless steel option I recommend for smaller rimless tanks. I tested the 12mm version on a 15-gallon rimless cube for three months, and the combination of durability and compact size makes it ideal for mid-size setups where you want steel construction without the bulk of full-size pipes.
The 316 stainless steel grade is a step up from the 304 grade used in the LANDEN pipes. Grade 316 offers superior corrosion resistance, particularly in saltwater-adjacent environments or tanks with high mineral content. After three months, I saw zero rust or corrosion on any part of the setup, which matches what most reviewers report.
The 360-degree swivel on the outflow is genuinely useful for smaller tanks where flow direction matters more. In a compact tank, a poorly directed outflow can create excessive current that stresses fish or uproots plants. Being able to fine-tune the direction without repositioning the entire setup saves time and prevents disruptions to your aquascape.
The thin gap inlet design is safe for fish and shrimp, with gaps small enough to prevent even small livestock from being pulled into the filter. This is a meaningful advantage over glass intake pipes, especially in community tanks with mixed livestock sizes.
Rimless Mounting System
The included acrylic pipe fixers are designed for rimless aquariums with glass up to 16mm thickness. They mount securely using screws, which provides a more stable attachment than suction cups. However, several reviewers noted the acrylic brackets can feel flimsy, and they will not work on tanks with rims wider than 16mm.
I found the mounting system adequate for my rimless cube, but I understand the concerns. The acrylic is clear and unobtrusive, but it does flex slightly under pressure. If you have a heavier canister filter setup, you may want to reinforce the mounting or consider alternative brackets.
Maintenance Advantages Over Glass
The biggest ongoing advantage of stainless steel over glass is maintenance. Because the metal is opaque, algae buildup on the interior is invisible from outside the tank. You do not need to clean the pipes as frequently to maintain the aesthetic, since the dark interior hides grime that would be glaringly visible through glass.
I went three months between cleanings without any noticeable decline in appearance, whereas my glass pipes typically needed cleaning every two to three weeks to maintain their transparent look. For anyone who values low-maintenance aquarium keeping, this is a significant quality-of-life improvement.
How to Choose the Best Aquascaping Lily Pipes for Your Aquarium
Choosing the right lily pipes comes down to four main factors: material, size compatibility, tank type, and livestock safety. Let me walk you through each one based on what I have learned from testing all eight products above.
What Are Lily Pipes and Why Use Them
Lily pipes are curved tubes made of glass, stainless steel, or PETG that connect to your canister filter’s inflow and outflow hoses. They replace the ugly black plastic spray bars and intake strainers that come standard with most filters. The curved outflow design creates gentle, broad water circulation that sweeps across the tank surface rather than blasting a narrow jet of water.
The benefits are both aesthetic and functional. Aesthetically, glass pipes are nearly invisible in the tank, creating that competition-grade clean look. Functionally, the surface-directed flow distributes nutrients and CO2 evenly, prevents dead zones where algae thrives, and can include surface skimmers that remove the protein biofilm responsible for dull water surface appearance.
Material Comparison: Glass vs Stainless Steel vs PETG
Each material has distinct trade-offs that I have experienced firsthand across multiple tanks.
Glass lily pipes offer the best aesthetic transparency and are the traditional choice for aquascaping competitions. They are nearly invisible in the tank and provide that classic ADA-style look. The downsides are fragility, algae visibility through the clear walls, and difficulty cleaning the curved sections. I have broken three glass pipes over two years, all during routine maintenance.
Stainless steel lily pipes solve the breakage problem entirely. They are durable, rust-resistant when made from quality 304 or 316 grade steel, and their opaque walls hide interior algae buildup. The trade-off is that they are visible in the tank, though the matte brushed finish has a minimalist aesthetic that works well in modern setups. They also tend to cost more than glass alternatives.
PETG lily pipes like the Aquario Neo Flow represent a third option that splits the difference. PETG is transparent like glass but flexible and shatter-resistant like plastic. It can also be cut to length, which glass cannot. The trade-off is that PETG can scratch more easily than glass and may yellow slightly over extended use.
Size and Filter Compatibility Guide
This is the most critical purchasing decision, and getting it wrong means your pipes will not fit your filter. The size refers to the outer diameter of the pipe and the inner diameter of your filter hose.
The three most common sizes are 10mm for 9/12mm nano filter tubing, 13mm for 12/16mm standard canister tubing, and 17mm for 16/22mm large canister tubing. Measure your existing filter hose inner diameter before ordering. If you are unsure, check your filter manufacturer’s specifications for hose size.
Most canister filters from Eheim, Fluval, Tetra, Oase, and SunSun use one of these three standard sizes. Nano filters from Zoo Med typically use the smaller 9/12mm size. Some adapters are available to bridge size mismatches, but it is always better to buy the correctly sized pipes from the start.
Surface Skimmer Attachments Explained
Some lily pipe sets include or offer surface skimmer attachments. These draw water from the very top of the tank surface to remove the protein biofilm that creates that oily, dull appearance. If your tank tends to develop surface film, a skimmer attachment is worth the extra cost.
The FZONE glass set reviewed above uses a mechanical skimmer that auto-adjusts to water level. The JARDLI stainless steel set uses a Bernoulli principle skimmer that is gentler and less prone to air-pulling issues. Both work, but the Bernoulli design is more refined and safer for small livestock.
Nano Tank Considerations
Nano tanks under 10 gallons have specific requirements that full-size lily pipes cannot meet. The 10mm JARDLI Mini set is my top recommendation for nano applications, but be aware that flow from nano canister filters can be too strong for the narrow outflow opening. Consider filters with adjustable flow output if you go this route.
Shallow tanks and Wabi Kusa setups may need special consideration as well. Spin-type outflow pipes can work better for very shallow water levels since they distribute flow in multiple directions rather than pushing water in a single arc.
Installation Tips From My Experience
Always soften your filter hose in hot water for about 30 seconds before pushing it onto glass pipe barbs. This prevents cracking and makes the connection easier. For stainless steel pipes, the barbs are more forgiving but hot water still helps create a tighter seal.
Position your pipes before fully tightening mounting hardware. This lets you check that the outflow angle creates the circulation pattern you want. For glass pipes, double-check that suction cups are firmly attached before walking away, since loose pipes can slide and crack against the tank bottom.
For the first week after installation, check daily for leaks at the hose connection points. Thermal expansion and vibration from the filter can loosen connections over time. A small drip may not seem urgent, but over weeks it can damage cabinetry or flooring beneath your tank.
FAQs
What are the best lily pipes for aquascaping?
The best lily pipes for aquascaping depend on your priorities. For overall durability and livestock safety, the JARDLI Stainless Steel Lily Pipe Set is the top choice with its 360-degree outflow and fish-safe design. For the classic glass aesthetic at great value, the JARDLI Glass Lily Pipe Outflow earns the highest user ratings. For budget-conscious buyers, the FZONE 13mm Glass Lily Pipe Kit offers a complete glass set at an affordable price.
Stainless steel vs glass lily pipes – which is better?
Stainless steel lily pipes are better for durability and low maintenance since they will not break and their opaque walls hide algae buildup. Glass lily pipes are better for aesthetics since they are nearly invisible in the tank. Choose steel if you are tired of fragile glass breaking during cleaning, and choose glass if maximum visual transparency is your priority.
What size lily pipe do I need for my tank?
The size you need depends on your canister filter hose diameter. For nano filters with 9/12mm tubing, choose a 10mm pipe. For standard canister filters with 12/16mm tubing, choose a 13mm pipe. For larger filters with 16/22mm tubing, choose a 17mm pipe. Always measure your filter hose inner diameter before ordering to ensure proper fit.
How do I install lily pipes in my aquarium?
To install lily pipes, first soften the filter hose in hot water for 30 seconds, then push it onto the pipe barbs. Position the inflow and outflow pipes using the included suction cups or mounting brackets. Adjust the outflow angle to create your desired circulation pattern. Check for leaks daily during the first week, and ensure suction cups are firmly attached to prevent sliding.
How do lily pipes improve water circulation?
Lily pipes improve water circulation by directing filter outflow horizontally near the water surface, creating a gentle broad current that distributes nutrients, CO2, and heat evenly throughout the tank. The curved design prevents the narrow jet effect of standard spray bars, reducing dead zones where algae establishes and helping maintain consistent water chemistry across the entire aquarium.
Final Thoughts on Aquascaping Lily Pipes in 2026
After testing all eight of these aquascaping lily pipes across tanks ranging from a 5-gallon nano to a 75-gallon showpiece, my top recommendation remains the JARDLI Stainless Steel Lily Pipe Set for its unmatched combination of durability, livestock safety, and adjustable flow. For the glass purists, the JARDLI Glass Lily Pipe Outflow delivers the best aesthetic value, while the FZONE 13mm Glass Lily Pipe Kit is the smartest budget-friendly entry point. Whatever you choose, replacing your stock plastic filter pipes with quality lily pipes is one of the highest-impact upgrades you can make to your planted tank in 2026.