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Best AQUARIUM POND LINER UNDERLAYS

At Aquarium Accessories Reviews, we take pride in our rigorous review process. Each product is handpicked based on market research, personally tested by our experienced team for functionality and durability, and evaluated for value for money. Alongside our hands-on experience, we also consider real user feedback. This meticulous approach ensures we provide honest, transparent, and comprehensive reviews to guide your aquarium accessory purchases.

We will continue to update this buyer's guide once a month or two.

The best AQUARIUM POND LINER UNDERLAYS in 2024 - Detailed Product Descriptions

1. 8 x 10 EPDM Pond Liner

By Firestone Store

8 x 10 EPDM Pond Liner

Country Of Origin: Macedonia, The Former Yugoslav Republic Of
The Package Height Of The Products Is 10.899999988882" Inches
The Package Length Of The Products Is 14.299999985414" Inches
The Package Width Of The Products Is 11.399999988372" Inches

2. TotalPond pond skins Pond Liner, 10 by 13-Feet

By TotalPond Store

TotalPond pond skins Pond Liner, 10 by 13-Feet

Ideal for medium ponds ( 6 ft. x 9 ft. x 1.5 ft.); up to 500 gallons of water
Lightweight, ultra-durable, and easy to handle
14.5 mil thickness
UV and puncture resistant, Inner polyester weave
Textured surface promotes beneficial microbial growth

3. Beckett Corporation PT25 300 Inch Waterproof Pond Seam Tape, White

By Beckett Corporation Store

Beckett Corporation PT25 300 Inch Waterproof Pond Seam Tape, White

SEAM TAPE: 300-inch seaming tape helps build larger pond or to attach liners of waterfalls and streams
FISH AND PLANT FRIENDLY: Permanent rubber-based adhesive has no toxins and is environmentally safe
WATER RESISTANT: The tape is water resistant helping avoid any cracking and shrinking
VERSATILE: Use this tape to build larger ponds, water gardens, fish tanks and more as well as attaching to liners of waterfalls and streams
INCLUDED: 300 inch seaming tape. Liner NOT included.
Packaging May Vary

4. Aquascape Inc 85010 Pond and Water Garden Non-Woven Geotextile Underlayment, 150 sq. ft, Black

By Aquascape Store

Aquascape Inc 85010 Pond and Water Garden Non-Woven Geotextile Underlayment, 150 sq. ft, Black

Protects pond liner from rocks and other sharp objects
Light in weight and spreads easily
Non-slippery surface
Allows gasses to escape
Years of trouble-free protection

5. Tite-Seal PLST325 Self Adhesive Double Sided Butyl Pond Seam Tape, 3" by 25'

By Brand: Tite-Seal

Tite-Seal PLST325 Self Adhesive Double Sided Butyl Pond Seam Tape, 3

Pond seam tape Length: 25 ft.
Self adhesive Product Type: Seaming Tape
Double sided adhesive
Ideal for EPDM, PVC, polypropylene, and polypropylene liner materials
Perfect for sealing seams to keep them together.

6. Pennington Aquagarden, Affinity Half-Moon No-Standing Pond, Water Feature Pool, Includes Inpond 5 in 1 300 Pond & Water Pump with UV Clarifier, 89 Gallon Decking Pond, Three Fountain Displays, Mocha

By Pennington Aquagarden Store

Pennington Aquagarden, Affinity Half-Moon No-Standing Pond, Water Feature Pool, Includes Inpond 5 in 1 300 Pond & Water Pump with UV Clarifier, 89 Gallon Decking Pond, Three Fountain Displays, Mocha

RAISED WATER FEATURE: Stylish and unique raised living water feature pool introduces a fresh dimension to any garden, patio, or deck.
INCLUDES AN INPOND 300 POND FILTER & WATER PUMP: Instant solution for a clear and healthy pond: combined efficient pump and filtration package for ponds up to 300 gallons.
EASY TO SET UP AND MAINTAIN: Comes with a step-by-step guide on how to set up and the included Inpond 300 Filter is the complete life support system for fish and plants.
ENJOY THE SIGHT AND SOUND OF MOVING WATER: Containing 3 fountain displays and a LED light to ensure your Affinity Pond looks great, day and night, all year round.
GREAT FOR FISH AND PLANTS: Comes with 2 planting baskets for your aquatic plants and is a great habitat for fish. The viewing windows let you see into the pond and under the water.

7. Aquascape 78325 AquaGarden Pond and Waterfall Kit Container Water Garden, Measures 23. 5-inch in Diameter and 9 7/8-inch Tall, Brown

By Aquascape Store

Aquascape 78325 AquaGarden Pond and Waterfall Kit Container Water Garden, Measures 23. 5-inch in Diameter and 9 7/8-inch Tall, Brown

A simple, easy, and fun way to add the sights and sounds of a water garden to any location
Provides a relaxing focal point for homes, patios, offices, balconies, bedrooms, gardens, and more
Includes plant and waterfall filter, LED waterfall light and transformer, water pump and low-suction attachment, expanded clay grow media, black polished decorative gravel and mixed polished decorative gravel
Create a style of your own with endless design options, including adding a wide variety of plants, stones, driftwood, or fish to create your very own water feature
Measures: 23. 5-inch L x 23. 5-inch W x 10-inch H, weight 19-pounds; Holds 5 to 7 gallons of water

8. ACTREY 7x10 Feet 15.6 Mil HDPE Pond Liner Pond Skins for Fish Pond Liners for Waterfall, Pond and Fish Ponds and Water Gardens

By Brand: ACTREY

ACTREY 7x10 Feet 15.6 Mil HDPE Pond Liner Pond Skins for Fish Pond Liners for Waterfall, Pond and Fish Ponds and Water Gardens

【PROTECT YOUR POND】- This liner will help to contain your pond, while also creating a safe and healthy environment for wildlife and plants. Help take care of your water features, pond pumps, filters, and more with the liner in place.
【SAFE MATERIAL】- Made of good quality HDPE, our liner is UV and puncture resistant, can be used for many years; Environmentally friendly, safe for your fish and plant.
【PLIABLE AND FLEXIBLE】- Conforms to a variety of irregular surfaces. Excellent choice for water gardens, fish ponds and backyard waterfalls. This light weight liner is easy to install.
【EASY TO CLEAN 】- This pond liner provides a flat surface for your pond, reducing the soil accumulation. Also can effectively prevent harmful substances in the soil from penetrating into the pond to pollute the water, so that you can clean the pond easily.
【WIDELY USED】- The pond liner is a perfect choice for projects like retention ponds, above and below ground water containment, and for water gardens, fishponds, and backyard waterfalls with gently sloping sides and smooth contours.

9. MYOYAY 40 Mil HDPE Rubber Pond Liner,13ft x 16.4 ft Pond Skins Liner Black Pond Liner for Small Ponds, Fish Ponds, Streams Fountains,Water Garden,Koi Ponds

By Brand: MYOYAY

MYOYAY 40 Mil HDPE Rubber Pond Liner,13ft x 16.4 ft Pond Skins Liner Black Pond Liner for Small Ponds, Fish Ponds, Streams Fountains,Water Garden,Koi Ponds

[High-Quailty Material] This liners are made of HDPE material,they are durable and strong. It could hold water perfect,thickness and thick enough to line your pond and water plants,HDPE pond liners are safe for fish and long-lasting.
[Can Withstand Bad Weather] Able to withstand the harsh environment, our pond liner is resistant to UV, sunlight and temperature and will not crack at all. Safe for plants, fish and other aquatic life.
[Easy to Use and DIY] It is flexible and light, helps you install this easily,no matter what shape your pond is,this fish pond liner could formed well to the hole,you could bend to your outline of pond's rocks and waterfalls.
[Perfect Size] Measures 13-feet length, 16-feet width,1mm thick. Please pay attention to sharp objects when using, the pond liner will be easily damaged.
[Best Choice For Your Pond] Keeps your pond perfect,put this pond liner underneath the beautiful foliage and active aquatic life of your pond lines, this product could keeps it works perfectly.

10. Gonioa 15.6 Mil Pre-Cut Pond Liner,Fish Pond Liner,10 by 13-Feet Pond Skins Liner HDPE Pond Liner for Koi Ponds, Streams Fountains and Water Gardens,Black

By Brand: Gonioa

Gonioa 15.6 Mil Pre-Cut Pond Liner,Fish Pond Liner,10 by 13-Feet Pond Skins Liner HDPE Pond Liner for Koi Ponds, Streams Fountains and Water Gardens,Black

High-Quailty Material:The pond liner is made of HDPE material,malleable, puncture resistant, and long-lasting. Able to withstand the harsh environment, resistant to UV, sunlight and temperature and will not crack at all.
Perfect Protection: This pond skins liner will provide the perfect base & protection for your pond,Also can effectively prevent harmful substances in the soil from penetrating into the pond to pollute the water.
High Flexibility & Easy to Handle:Our pond liner has good flexibility and can be easily bent to fit the contours of the pond's rocks.Measures 10feet length by 13-feet width and you can cut it to the size you want according to your needs.
Widely Used: This pond liner isIdeal for ponds of all sizes with steep or gentle sloping sides, water gardens, fish pond, garden pond, koi pond and other water features ; safe for fish, wildlife and plants.
Improve Ecology:It is a strong material,keep your pond perfect;easy maintenance; lasting beauty, and providing just the right foundation for an environmentally balanced habitat.

11. PreAsion HDPE Black 20'x30' Flexible Water Garden Fish Pond Liner Elasticity

By Brand: PreAsion

PreAsion HDPE Black 20'x30' Flexible Water Garden Fish Pond Liner Elasticity

Flexible Water Garden Fish Pond Liner is the perfect way to ensure that your pond is functioning effectively and properly underneath the beautiful foliage and active aquatic life.
Install a permanent pond liners that and you can rest easy knowing it will withstand a variety of weather and water conditions.
With a permanent pond liner, you can avoid the hassle of regularly replacing this integral part of your pond.
Durable HDPE Pond Liners are specially formulated for water gardens.
Pond liner is not UV resistant and place away from sharp objects

12. hygger Pond Liner - 7 by 10ft Fish Pond Liners for Outdoor Ponds, 14.5 Mil PVC Soft Pond Skins for Fish Ponds, Water Features, Garden Water Fountains, Waterfalls

By hygger Store

hygger Pond Liner - 7 by 10ft Fish Pond Liners for Outdoor Ponds, 14.5 Mil PVC Soft Pond Skins for Fish Ponds, Water Features, Garden Water Fountains, Waterfalls

[7 x 10ft Pond Liner] - hygger Pond Liner is ideal for small pind; Up to 200 gallons of water
[14.5 Mil Thickness] - Made of HDPE material, provides superior durability & flexibilitiy while maintaining the ability to stretch, 14.5 mil thickness is strong enough to puncture resistant and UV radiation, It can withstand extreme weather conditions for ensuring 30 years of continued use
[Flexible & Pliable] - This fish pond liner has good flexibility, easy to bend and fold. You can cut it to the size you want according to your needs to fit the contours of the pond's rocks. After trimming, extra pieces can place under pond rocks and planters for extra support
[Easy to Work & Clean] - The pond liners provides a flat surface for your pond, reducing the soil accumulation. Also can effectively prevent harmful substances in the soil from penetrating into the pond to pollute the water, so that you can clean the pond easily. Supports machine wash
[Wide Application] - It is best choice for building water gardens, fish ponds and backyard waterfalls. Works better in sweeping corners, gentle sloping sides and bottom transitions

13. REKVEN - Pond Liner Seam Tape, Double Sided Butyl Adhesive, 3" x 30'

By REKVEN Store

REKVEN - Pond Liner Seam Tape, Double Sided Butyl Adhesive, 3

Thick heavy duty commercial grade butyl seam tape double sided adhesive
Eco friendly fish safe solution to repair or join multiple pond skins with no harmful chemicals
Perfect for all pond liner types including EPDM rubber, HDPE and PVC
Durable solution for leak free water gardens, water features, waterfall and koi ponds
Includes 30 feet x 3 inch wide tape, one roller and one scrub sponge

14. Nisorpa Pond Liner 40 Mil 13 x 16 Feet Fish Safe Pond Fountain Liner PRO Grade HDPE Fish Pond Liner Pond Skins for Fish Ponds Water Gardens Fountain Koi Ponds Easy Cutting Heat & Aging Resistant

By Nisorpa Store

Nisorpa Pond Liner 40 Mil 13 x 16 Feet Fish Safe Pond Fountain Liner PRO Grade HDPE Fish Pond Liner Pond Skins for Fish Ponds Water Gardens Fountain Koi Ponds Easy Cutting Heat & Aging Resistant

✅【Pro Grade Material】 Made of high-density polyethylene (HDPE) with stronger chemical stability and puncture-resistance, strong and tough but flexible; as a Pro grade geomembrane, protected away from small/pointy rocks, perfect for various ponds liner, water pools and industrial laying.
✅【Large Size & Easy Cutting】16.4 feet length by 13.12 feet width (5x4m), 40 mil thick durable, hdpe liner density: 1000grams, 215 sq.ft cover area. Can be cut to size as required, and weldable splicing.
✅【Flexible Fish-Safe Liner】40mil high density Polymer materials enough thick to go cover the roots and clayey / sandstone / hummusy soil; Easy to install and create a new pond or update your old or damaged ponds, as a koi and fish ponds liner, it is non-toxic and is safe for plants, fish and environment.
✅【All Weather Heat & Aging Resistant】Super durable protective liners are able to withstand the harsh environment, providing superior durability while maintaining the ability to stretch, resistant to UV, corrosion, sunlight and temperature, ensuring many years of continued use.
✅【Widely Used】Perfect for use at: water pools(as fish pond liner/koi pond liner/backyard garden ponds liner/water-features liner), grass/lawn/patio/roofing flooring(as waterproof underlayment/large and wide sunproof barrier), industrial sewage pool liner, artificial pond pad, agricultural breeding liner, farm or ranch etc.
✅【Note】For better flexibility, you are recommended to lay the liner under the sun for 10 to 15 min before use.

15. 20 x 20 Feet Pond Liner 20 Mil, LDPE Pond Skins for Fish Ponds Stream Fountain Water Garden, Black Waterfall Backyard Koi Pond Liner, Easy Cutting Underlayment Pond Liners

By Doniks Store

20 x 20 Feet Pond Liner 20 Mil, LDPE Pond Skins for Fish Ponds Stream Fountain Water Garden, Black Waterfall Backyard Koi Pond Liner, Easy Cutting Underlayment Pond Liners

POND LINER SKIN - Our durable pond liner has a size of 20'x 20' and a thickness of 20 Mil. It is easy to install, requires no tools and is flexibly suitable for various creative designs.
STABLE AND SAFE MATERIALS - High pressure polyethylene (LDPE) is durable material which is odorless, non-toxic. It has good softness, extensibility and good chemical stability. All the characteristics mentioned above ensure the safety of the fish pond liner, which will not cause pollution to water, air, land, etc., and ensure the safety of animals and plants
WIDE APPLICATIONS - Streams fountains, water features, fish ponds, waterfall and water gardens and more. Campus, park, garden, residential garden, community greening, square waterscape, building interior landscape and so on. Basically, you can use it for any water landscape you want to do. You'll be surprised at its performance.
CONVENIENT TO USE - In order to protect liner underlayment from tearing and increase its service life can add a layer of underlayment before laying the pond liner in place. You can choose sand, round pebbles, old blankets and anything without sharp point and edges. And you can use rocks, shale, or other natural material to fix the corners.
EASY FOR CUTTING - You can cut pond liner into the shape of your pond fountain. The properties of the material make it very easy to cut. For finished pond or fountain’s size, the pond liner can be tailored to conform to a variety of irregular surfaces and specific size. The flexibility makes it easy to fold and bend to the outline of pond's rocks and waterfalls.

16. KLEWEE Pond Liner, 4 x 7ft 20 Mil LDPE Heavy Duty Small Pond Liners, Black Fish Safe Pond Skins Pond Liner for Koi Ponds, Waterfall, Stream, Fountains and Water Gardens

By KLEWEE Store

KLEWEE Pond Liner, 4 x 7ft 20 Mil LDPE Heavy Duty Small Pond Liners, Black Fish Safe Pond Skins Pond Liner for Koi Ponds, Waterfall, Stream, Fountains and Water Gardens

HIGHLY DURABLE - With the thickness of 20mil, our pond liners provide superior durability than other liners, UV and ozone resistant, puncture resistant, can be used more than 30 years
FISH & PLANTS SAFE - Specially designed for water gardens, the 4' x 7' small pond liner is made of premium smooth LDPE, which is environmentally friendly, more safer for your fish and plant life than the PVC liners
MULTIFUNCTIONAL - The fish pond liners are perfect for streams, water gardens, fish/koi ponds, fountains, backyard waterfalls and outdoor decorative ponds; Also a protective waterproof liner for your different purposes
PROTECTIVE - This pond liner can effectively prevent harmful substances in the soil from penetrating into the pond, helping keep water clean to create a healthy natural environment for wildlife and plants, meanwhile you can clean the pond easily
EASY TO USE - Easy to install, requires no special tools or skills; For better flexibility, it's recommended to lay the liner out in the sun for 10-15 minutes to easily shaped to fit the size and contours of any water feature; Risk-Free Guarantee: Love our liner or get your money back!

17. Inslat 20 Mil Pond Liner, 7x10 Ft Pond HDPE Skins Small Fish Pond Liners Rubber Pond Tarp Easy Cutting Underlayment for Fountains, Waterfall & Water Gardens

By Brand: Inslat

Inslat 20 Mil Pond Liner, 7x10 Ft Pond HDPE Skins Small Fish Pond Liners Rubber Pond Tarp Easy Cutting Underlayment for Fountains, Waterfall & Water Gardens

20 Mils HDPE Rubber Liners: Made of HDPE material, provides superior durability & flexibilitiy while maintaining the ability to stretch, 20 mil thickness is strong enough to resists puncture and UV radiation, It can withstand extreme weather conditions for ensuring many years of continued use
SAFE for Fish and Plant: Environmentally rubber pond liner friendly for fish and plants, It prevent harmful substances in the soil from penetrating into the pond, avoid pollution of water resources, Creating a safe and healthy environment for wildlife & plants
Small Pond Liners: The 7 ft x 10 ft fish pond liner is ideal for small ponds, like as 3 ft. x 6 ft. x 1.5 ft., It will hold approx 200 gallons of water
Easy to Use & Clean: Pond liner underlayment have good flexibility, make it easy to bend and fold to fit the contours of pond rocks & walls, Can be cut for fit different shapes ponds. Smooth pond liners provides a flat surface for your pond, reducing the soil accumulation. For better flexibility, Recommended to lay the liner out in the sun for 10-15 minutes
WIDELY USED: The pon liner is a perfect for fish ponds, water features, retention ponds, fountains, waterfall and water gardens. It can be adapted to ponds of various sizes with steep or gently sloping sides, narrow corners, contours and shelves

18. Warooma Pond Liner Black Garden Pond Liner PVC, Pond Liner Garden Pool Membrane, for Garden Pond Strength, UV-Resistant, Tear-Proof Environmentally Friendly

By Brand: Warooma

Warooma Pond Liner Black Garden Pond Liner PVC, Pond Liner Garden Pool Membrane, for Garden Pond Strength, UV-Resistant, Tear-Proof Environmentally Friendly

★ Perfect Use - a product that is placed under the beautiful leaves and active aquatic life of the fish pond to ensure the effective operation of the fish pond, and that is also suitable for use in industrial reservoirs
★ Pond Use - Pond liners are an excellent choice for ponds because they are strong and durable, but light and easy to use. HDPE pond liners are safe and durable for fish.
★ STURDY AND DURABLE - The lining board can withstand various weather and flood conditions as a permanent pond lining, so you can avoid the hassle of regularly replacing the integral part of the pond.
★ High resistance - the pond liner is effective against UV rays, sunlight and temperature and does not tear at all. It's also non-toxic and safe for plants, fish, and other aquatic organisms.
★ Resistance to Destruction - The unique composite structure has high ability to resist root penetration or destruction. Its high tensile strength, high tear resistance and puncture resistance make it exceptionally strong.

19. 20x20 Ft Pond Liner Flexible Liners Water Garden Fish Pond Liner Elasticity Pound Skins Fountain Underlayment Aging-Proof

By Brand: E-Found

20x20 Ft Pond Liner Flexible Liners Water Garden Fish Pond Liner Elasticity Pound Skins Fountain Underlayment Aging-Proof

【20X20 FT LDPE Pond Liner】- The pond liner 20x20 is made of LDPE material, compared with HDPE, LDPE is more flexible, it reduce the aging problems caused by creases, more convenient operation. More suitable for conforms to a variety of irregular surfaces such as contour/outline of pond's rocks and waterfalls than HDPE.
【Notice】- 1. Before install, please keep your pond without any sharp object such like stone, to avoid damage pond liner. 2. The rigidity of the pond liner will varies with temperature, It will be more flexible at higher temperature, if you fell it have little difficul to operation, please bask in the sun for a while.Please avoid use in cold environment.
【EASY TO CLEAN】 - Pond liners for outdoor ponds provides a flat surface for your pond and is waterproof without more leaking. LDPE material is environmentally friendly. Also can effectively prevent harmful substances in the soil from penetrating into the pond to pollute the water, so that you can clean the pond easily.
【Advantage】-Flexible Water Garden Fish Pond Liner is the perfect way to ensure that your pond is functioning effectively and properly underneath the beautiful foliage and active aquatic life. Install a permanent pond liners that and you can rest easy knowing it will withstand a variety of weather and water conditions.
【Widly Application】-Great liner for any backyard waterfalls, outdoors ponds, fish/koi ponds, and other water features; Can be used in different ways: Utilize the liner for raised garden beds, sub-irrigation planters, and other self-watering projects

20. TTOOD Fish Pond Liner Rubber Pond Liner for Pond Stream Fountain and Water Garden Pool Membrane Reinforced Landscaping2m,3m,4m,5m,6m,7m.8m.9m,10m

By Brand: TTOOD

TTOOD Fish Pond Liner Rubber Pond Liner for Pond Stream Fountain and Water Garden Pool Membrane Reinforced Landscaping2m,3m,4m,5m,6m,7m.8m.9m,10m

Quality Materials: Pond Liner Made From Hdpe Material Provides Superior Durability While Maintaining The Ability To Stretch.
Easy To Clean: This Pond Liner Provides A Flat Surface For Your Pond And Reduces Soil Accumulation,So That You Can Easily Clean The Pond.
Perfect Protection: Exceptional Resistance To Solar Uv, Ozone, And Oxidation.
Flexible Liner: The Pond Liner Features The Good Flexibility To Make It Easy To Fold And Bend To The Outline/contour Of Pond Rocks And Waterfalls.
Wide Applications: Ideal For Ponds Of All Sizes With Steep Or Pondless Waterfalls, Water Gardens, Fish Ponds And Backyard Waterfalls, Safe For Fish And Plants.

21. TTOOD Pond Liner,Large Fish Pond Liner, Gardens Pools Membrane Reinforced Landscaping Landscaping Streams Fountains Koi Ponds 4m,5m,6m,7m,8m9m,10m

By Brand: TTOOD

TTOOD Pond Liner,Large Fish Pond Liner, Gardens Pools Membrane Reinforced Landscaping Landscaping Streams Fountains Koi Ponds 4m,5m,6m,7m,8m9m,10m

Pond Liner Made From Hdpe Material Provides Superior Durability While Maintaining The Ability To Stretch
Easy To Cut, Once You Have Them Into Position
Exceptional Resistance To Solar Uv, Ozone, And Oxidation
Fish And Plant Friendly, Flexible Material Conforms To Shapes And Contours
Wide Applications Ideal For Ponds Of All Sizes With Steep Or Pondless Waterfalls, Water Gardens, Fish Ponds And Backyard Waterfalls, Safe For Fish And Plants

22. YZprism Pond Liners LLDPE 25 x 20 FT 20 Mils Softer More Flexible Waterfall Pond Fish Ponds Black Pond Liner Duck Large Water Garden Pond Tarp Liner Fabric Liner for Pond Features Fountain Seals

By Brand: YZprism

YZprism Pond Liners LLDPE 25 x 20 FT 20 Mils Softer More Flexible Waterfall Pond Fish Ponds Black Pond Liner Duck Large Water Garden Pond Tarp Liner Fabric Liner for Pond Features Fountain Seals

[LLDPE Pond Liner] Material: LLDPE; Color: Black; Size: 25 x 20 ft ; Thickness: 20 Mils; Our pond pad is made of LLDPE material, plants, fish and other aquatic organisms do not have any hazards, is very friendly for the environment
[Excellent Quality] This waterfall liner for pond thickness is 20 mils, which provides excellent durability and waterproof, in addition, unique exquisite production process makes this pond pad simultaneously with a high degree of stretching Ability and high tear properties, prevent the penetration or damage of plant roots
[Highly Flexibility and DIY Operation] - LLDPE is more flexibility than HDPE material to adapt to various irregular surfaces, which can be easily bent and folded according to your pool and waterfall, and can also be based on the length, width of the pond. And depth, cropping or cutting the required size pond pad. Our pond liner has a soft inclined side and a smooth contour, easy to install, effectively saving labor and installation time
[Exquisite Composite Process] This permanent permanent fish pond liner with a variety of weather and water conditions can be exposed to sunlight or rock, which has excellent resistance to ultraviolet, high temperature, frost, ozone and oxidation. Effective protective plants or animals in water. This fish pond liner does not rupture, which can effectively prevent harmful substances in the soil into the pond, reduce the soil accumulation, so you easily clean the pond
[Application Widely] This Pond Liner has moisture-proof, waterproof, and anti-leakage function can be directly laid on a humid ground, widely used in fishing ponds, water tanks, water resources protection projects, protect river slope, prevent roofing humidity , Penetration and seal. This fish pond liner also applies to waterproof pools, swimming pools, streams, natural pools. Ideal for small water devices in the private garden, ponds, garden waterfalls, ground or underground storage pools

23. MAPORCH Pond Liner Reinforced Polyethylene 20 x 30 FT Pond Liners for Outdoor Ponds for Fish Koi Pond, Fountain, Garden Pool, Irrigation System, Waterfall- Water Feature Yard Ponds Skins Liners, Black

By MAPORCH Store

MAPORCH Pond Liner Reinforced Polyethylene 20 x 30 FT Pond Liners for Outdoor Ponds for Fish Koi Pond, Fountain, Garden Pool, Irrigation System, Waterfall- Water Feature Yard Ponds Skins Liners, Black

DURABLE: Our fish and plant safe liners are made of 100% virgin HDPE UV-resistant material. Elevated puncture and tear endurance incorporated in our supplies enable you to enjoy your backyard oasis for years to come without the need to repair it frequently.
LEAK-PROOF: Our pond supplies are waterproof and made of premium high-quality materials. No need to worry about leaking, keeping your lawn and decorative features intact. Ideal for storage or treatment of contaminated materials, chemicals & water.
FLEXIBLE: With our 20x30FT fish pond liner, you can easily cut off and create any shape and size you need. The black tarp features a robust thickness of 24mil and can be left in the sun full time with no covering. 3 times stronger than normal HPDE liners.
MULTI-PURPOSE: For any of your DIY projects, koi fish ponds, lakes, fish farms, aquascape, fountains, irrigation systems, stream, river, farm impounding reservoir- we got you covered! The liners can also be used on steep or gently sloping sides.
EASY INSERT AND CLEAN: Hassle-free installation and maintenance of our pond underlayment provide you more time to enjoy your garden. Our pond liners stand out from the competition with the reinforced bottom and are considered one of the most durable.

24. Hoolerry Pond Liner, 45 Mil EPDM Rubber Fish Safe Pond Liner Easy Cutting for Outdoor Waterfall, Fish or Koi Pond Water Garden, Fountains and Bed Planter, Black (15 x 15 Ft)

By Brand: Hoolerry

Hoolerry Pond Liner, 45 Mil EPDM Rubber Fish Safe Pond Liner Easy Cutting for Outdoor Waterfall, Fish or Koi Pond Water Garden, Fountains and Bed Planter, Black (15 x 15 Ft)

Package Includes: you will get a pond liner, which size is 15 x 15 Ft, 40Mil and holds up to 400 gallons; Especially designed for small ponds, also you can cut to any size you need; Easy installation, no tools required
Guard Your Pond: the pond liner prevent harmful substances in the soil from penetrating into the pond, avoid pollution of water resources, creating a safe and healthy environment for plants; Ideal for your water features, pond pumps, filters, and more with the liner in place
Reliable Material: our black pond liner is made of EPDM material, which has good softness, extensibility, UV and puncture resistant. It can withstand extreme weather conditions, more strong, tear resistant and puncture resistant, can be applied for many years, safe for your fish and plant
Easy To Clean: the pond liner provides a flat surface for your pond, reducing the soil accumulation; It also effectively prevents harmful substances in the soil from penetrating into the pond and contaminating the water, allowing you to clean the pond easily; In order to increase its service life, you can add a layer of round pebbles before laying the pond liner in place
Wide Application: the thick pond liner has waterproof and anti leakage function, suitable for fish/ koi ponds, water features, retention ponds, fountains, backyard waterfalls and water gardens; Also applied in construction, agriculture, surface protection applications, covers of all sorts, tarps and much more, Real material EPDM material

25. hannger Pond Liner - 4x7ft Fish Pond PVC Three-Layer High Strength Waterproof & Easy to Cut Underlayment Pond Liners for Outdoor Ponds/Plastic Pond Tub/Koi Pond Liner/Water Feature/Fountain

By hannger Store

hannger Pond Liner - 4x7ft Fish Pond PVC Three-Layer High Strength Waterproof & Easy to Cut Underlayment Pond Liners for Outdoor Ponds/Plastic Pond Tub/Koi Pond Liner/Water Feature/Fountain

Multiple Process Upgrades — The pond liner's surface inner high strength polyester & high tenacity weave, designed from three-layer material PVC water-proof and nylon-reinforced polyester. It is different from hard HDPE material, we provide superior softness + flexibility while maintaining the ability to stretch, tear, and puncture resistance. Creases are not easy to be penetrated despite freely bending and folding for a long time, you can use them for decades without worry about replacement.
Thickness & Various Sizes — Compared with 20mil liners, this 16mil/0.4mm thickness black pond liner is not only durable but also lightweight. It can resist puncture and UV radiation, preventing materials from aging in the sun. And there are available in 7 size options. i.e. 4' x 7', 7' x 10', 10' x 14', 15' x 20', 20' x 20', 20' x 25', 25' x 30'. You can choose the right size depending on size of your pond, recommended buying a liner larger than the size of pond for easy cutting and storage use.
Superior Protection — Our koi pond liner provides a flat surface for ponds, waterfall boxes, weirs & skimmers, it can reduce soil accumulation and prevent harmful substances in the soil from polluting the water, keeping waterproof without leaking. Meanwhile, knife scraping cloth process is strong enough, neither too stiff and wrinkly nor easily penetrated by sharp rocks or stones, which can offer a good safe living environment for the plants, fish, and other animals in the pond.
Easy to Use and Clean — The rubber pond liner is simple to trim and install without special tools or skills. Suggested clearing the pond liner bed of all rocks prior to installing, then putting sand to create a softer surface that can prevent harmful substances into the water and simplify the work of cleaning ponds. It has great malleability and flexibility, which is very easy to DIY the shape that molds to the corners, contours, and shelving of backyard ponds, waterfalls, and water gardens.
Wide Application — This all-year performed lining pond liner is specially designed for water gardens, fish ponds, retention ponds, frog ponds, duck ponds, patio ponds, tortoise tables,mini-river, backyard waterfalls, artificial lakes, riverways, aquaculture farms, sloping side, etc. And other different ways can be used in surface protection, such as hardscape walkways with large pavers and stone, rooftops, black mulch covering campers, chicken coops, covers of all sorts, tarps, and much more.

author img Lucas Carter

Our Editor-in-Chief, Lucas Carter, brings over twenty years of hands-on experience in the world of aquaristics. He is not just an expert in aquarium keeping but also a passionate advocate for the hobby. Lucas's extensive knowledge of aquarium accessories, understanding of different aquatic ecosystems, and a keen eye for product quality set the standard for our reviews. His personal commitment is to guide both novice and experienced aquarium enthusiasts through the vast ocean of products, helping them create the ideal environment for their aquatic friends.