Best Aquascape Pond Liners in 2026

Water proof formula suitable for use in a wide range of climatic environments from hot to freeze/thaw conditions

Specifically designed for underwater use and to be non toxic and fish and plant safe

Self priming formula allows for reliable adhesion for a finished surface that is easy to maintain

Water proof formula suitable for use in a wide range of climatic environments from hot to freeze/thaw conditions

Specifically designed for underwater use and to be non toxic and fish and plant safe

Self priming formula allows for reliable adhesion for a finished surface that is easy to maintain

Water proof formula suitable for use in a wide range of climatic environments from hot to freeze/thaw conditions

Specifically designed for underwater use and to be non toxic and fish and plant safe

Self priming formula allows for reliable adhesion for a finished surface that is easy to maintain

Water proof formula suitable for use in a wide range of climatic environments from hot to freeze/thaw conditions

Specifically designed for underwater use and to be non toxic and fish and plant safe

Self priming formula allows for reliable adhesion for a finished surface that is easy to maintain

Water proof formula suitable for use in a wide range of climatic environments from hot to freeze/thaw conditions

Specifically designed for underwater use and to be non toxic and fish and plant safe

Self priming formula allows for reliable adhesion for a finished surface that is easy to maintain

3 Cans: Seal gaps and fill voids between streambed & waterfall rocks and stones

Stabilizes rockwork in Koi ponds, water gardens and pondless waterfalls

Moving water travels over (not under!) rocks and stones for dramatic visual effect

💪[Safe LLDPE Material 15X20 FT]: The LLDPE material is used for pond liners or blended into other films to give them more flexibility and extra strength; Environmentally friendly, safe for your fish and plant. We provide small to large three different sizes for different demands.

💪[Long Last & Durability]: This material is widely used for films that need a tremendous amount of strength to absorb impacts while not tearing or puncturing. Features with well UV resistant, which can hold up to the harsh rays of the sun, and also the tear and puncture resistant, chemical resistant.

💪[Flexible & Easy Installation]: The fish pond liner that weighs 30% less than ordinary 20 mil PVC but is just as strong and flexible. Freely Bending or folding, the liner can be stretched around corners to fit nearly any pond design. Also you can cut to any size you want for your small pond; Easy to install, no tools required.

👍[Safe LLDPE Material 20X20 FT]: The LLDPE material is used for pond liner or blended into other films to give them more flexibility and extra strength; Environmentally friendly, safe for your fish and plant. We provide small to large sizes for different size requests.

👍[Long Last & Durability]: This material is widely used for films that need a tremendous amount of strength to absorb impacts while not tearing or puncturing. Features with well UV resistant, which can hold up to the harsh rays of the sun, and also the tear and puncture resistant.

👍[Flexible & Easy Installation]: The fish pond liner that weighs 30% less than ordinary 20 mil PVC but is just as strong and flexible. Freely Bending or folding, the pond liner can be stretched around corners to fit nearly any pond design. Also you can cut to any size you want for your small pond; Easy to install, no tools required.

【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.

【High Quality Material】Pond Liner is made of HDPE. Our material HDPE is more waterproof and leak-proof than other material LDPE. Fish Ponds Liner can resist tearing and piercing by sharp stones. The excellent waterproof performance can reserve the pond water.

【Super Thickness】The thickness of Pond liner is 20 Mil with super preventing leakage. Compared with other 14.5 Mil and 4.5 Mil, our thickness is stronger and more durable. The material is soft and adaptable to ponds of various angles and shapes.

【Sun-Proof & Durable】The 20 mil Pond Liner is Sun Protection and puncture resistant. Koi pond liner can prevent materials from aging in the sun. The HDPE pond liner can resist sharp stones or other objects, and has strong puncture resistance.

【High Quality Material】Pond Liner is made of HDPE. Our material HDPE is more waterproof and leak-proof than other material LDPE. Fish Ponds Liner can resist tearing and piercing by sharp stones. The excellent waterproof performance can reserve the pond water.

【Super Thickness】The thickness of Pond liner is 20 Mil with super preventing leakage. Compared with other 14.5 Mil and 4.5 Mil, our thickness is stronger and more durable. The material is soft and adaptable to ponds of various angles and shapes.

【Sun-Proof & Durable】The 20 mil Pond Liner is Sun Protection and puncture resistant. Koi pond liner can prevent materials from aging in the sun. The HDPE pond liner can resist sharp stones or other objects, and has strong puncture resistance.

RUGGED HDPE MATERIAL -- The pond liner is made of 100% virgin HDPE with UV treated. HDPE is harder and offers higher strength and better resistance to heat than LDPE. Offers greater rigidity and durability and displays excellent chemical resistance. It protects against the sun and the weather. It inhibits harmful substances from seeping into the pond, giving your fish and plants a safe living environment.

SUPERIOR PUNCTURE RESISTANCE -- With the thickness of 20mil, this pond liner is strong enough to be placed on rocky ground. It can withstand extreme weather conditions, is more durable, tear-resistant and puncture-resistant. Neither too stiff and wrinkly nor easily penetrated by sharp rocks or stones. It is designed for economical, safe containment of contaminated soils, liquids, or sludges.

GOOD FLEXIBILITY -- Our fish koi pond liner is 15 x 20FT dimension, has good flexibility, easy to bend and fold to fit the contours of pond rocks & walls. The liner can be stretched around corners to fit nearly any pond design. You can cut your small pond to any size you want. For better flexibility, recommended to place this koi pond liner under the sun for 10 to 15 min before use.

Water proof formula suitable for use in a wide range of climatic environments from hot to freeze/thaw conditions

Specifically designed for underwater use and to be non toxic and fish and plant safe

Self priming formula allows for reliable adhesion for a finished surface that is easy to maintain

Water proof formula suitable for use in a wide range of climatic environments from hot to freeze/thaw conditions

Specifically designed for underwater use and to be non toxic and fish and plant safe

Self priming formula allows for reliable adhesion for a finished surface that is easy to maintain

Aging-proof of 10ft x 13ft Pond Liner: Designed with excellent durability, impact strength and high tensile. The size of 10ft x 13ft is ideal for small ponds. The lifespan can live up to 50 years without any exposure, and it can also last for ten years under intense sunlight.

Safe LLDPE Material: Made of LLDPE material, sunlight-proof, weather-proof and pro-environmentally. It can restrain the penetration of harmful substances into the pond and give your fish and plants a secure living environment. Environmentally friendly, safe for your fish and plant. We provide small to large three different sizes for different demands.

20 Mil(0.5mm)Thickness & Easy Installation: Specially designed 0.5mm thickness can block soil and water, preventing dirty substances from penetrating into the pond, effectively retaining water. The thickness is strong enough to put on rocky ground. It will neither not be too stiff and wrinkled, nor will it be easily penetrated by sharp rocks or stones. Freely Bending or folding, the liner can be stretched around corners to fit nearly any pond design. Easy to install, no tools required.

SAFETY QUALITY MATERIAL - The fish pond liner is made of HDPE material with long lasting, can able to withstand the harsh environment, resistant to UV and temperature. HDPE koi pond liner is more waterproof and leak-proof than other materials which can reserve the pond water. Environmentally friendly, safe for your fish and plants.

STURDY AND FIRM - The thickness of pond liners for outdoor is 20 Mil with super preventing puncture, which makes poolpond liner resist sharp stones or other objects. Thicker than the most pond liner material on the market yet lightweight and soft, which can ensure many years of continued use and use conveniently.

IMPROVE ECOLOGY - Pond liner pad can well block soil to prevent harmful substances from leaking into the pond, which can effectively protect the plants and fish in the pond and avoid pollution of water resources to provide just the right foundation for an environmentally balanced habitat. Help take care of your water features, pond pumps, filters, and more with the pond liner in place.

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.

✿✿1.{Safe HDPE Material}:The pond liner is made of 100% pure HDPE, which makes the pond liner more flexible and extra strength. The pond liner uses an upgraded woven film surface, which is easy for bacteria and microorganisms to multiply. Environmentally friendly, no harm to plants, fish and other aquatic organisms

✿✿2.{Sunproof and Durable}:The pond liner is sun-proof and puncture-resistant. Koi pond liner can prevent the material from aging in the sun. HDPE pond liner can resist sharp stones or other objects and is highly puncture resistant

✿✿3.{Extreme Weather and Antiaging}:The pond liner can protect from the sun and extreme weather. It can be exposed to the sun or rocks all the time. Excellent resistance to temperature extremes, frost and ozone for effective pond protection

✿✿1.{Safe HDPE Material}:The pond liner is made of 100% pure HDPE, which makes the pond liner more flexible and extra strength. The pond liner uses an upgraded woven film surface, which is easy for bacteria and microorganisms to multiply. Environmentally friendly, no harm to plants, fish and other aquatic organisms

✿✿2.{Sunproof and Durable}:The pond liner is sun-proof and puncture-resistant. Koi pond liner can prevent the material from aging in the sun. HDPE pond liner can resist sharp stones or other objects and is highly puncture resistant

✿✿3.{Extreme Weather and Antiaging}:The pond liner can protect from the sun and extreme weather. It can be exposed to the sun or rocks all the time. Excellent resistance to temperature extremes, frost and ozone for effective pond protection

Premium Sealant that bonds instantly to many surfaces to create a water tight seal.

Can be used for rubber pond liner repair and rigid preform pond shells that have cracks.

Also can be used on: Most PVC's, metal, tile, stone, brick, concrete and wood.