Shop 10 Best Bathroom Rugs Sets 3 Piece Chenille Bath Rug Non Slip Bath Ma

Top 10June 2025

Best 20x20 Pond Liner

We made a list of the top 10 20x20 Pond Liner based on verified reviews, popularity and other factors which we summarized for you in this list.

Best Choice

LifeGuard Pond Liner 20 ft. x 20 ft. 45 Mil EPDM Rubber and Underlayment Combo - CLGUG20X20

✓45-Mil EPDM Rubber Pond liner with UnderGuard Underlayment has a Limited Lifetime Warranty
✓Durable, puncture resistant, extremely versatile for use in waterfall features, pond kits, water gardens, retention basins, koi ponds, aquaponics, lakes, stream liners, and fish hatcheries.
✓Does not contain plasticizers, which become brittle and cause cracks or splits.
✓Easy to install, lays flat, very pliable for easy shaping and feature fitments. Geotextile will come in multiple pieces equivalent to total square footage.
✓Certified Fish & Wildlife Safe by Guardian Systems Inc

Learn moreon Amazon

More Info

6% Discount

Lifeguard 20 ft. x 20 ft. EPDM Pond Liner – 45-Mil Rubber Liner for Outdoor Ponds, Waterfalls, Aquaponics, Retention Basins – Durable & Fish Safe

✓45-mil EPDM Rubber Liner - Durable, flexible, UV and puncture resistant, fish and wildlife safe for koi ponds, water gardens, and aquaponics systems.
✓Versatile Use for Outdoor Water Features – Ideal pond liner for outdoor ponds, waterfalls, streambeds, fish hatcheries, and retention basins.
✓No Plasticizers – Won’t Crack or Split – Unlike vinyl liners, EPDM stays flexible year-round without becoming brittle over time.
✓Easy to Install & Shape – Lays flat and conforms easily to curves, shelves, and other pond features—perfect for DIY installations.
✓Certified Fish & Wildlife Safe – Backed by – Safe for koi, turtles, and aquatic life. Certified by Guardian Systems Inc. and supported by a 25-year manufacturer’s warranty for long-term peace of mind.

Learn moreon Amazon

More Info

yeezoo 20X20FT Reinforced PE Pond Liner, KOI Pond Liners for Outdoor Ponds, Enhanced 5-Layer Structure Pond Liner for Fish, Duck, Garden Raised Bed and Waterscape Pond(0.82oz/sq ft Thickness)

✓👉[Durable & Leakproof]: The KOI pond liner is with unique five-layer structure design. The middle is reinforced HDPE with net structure PE and leafproof coating on both sides. It’s more durable and leakproof than most pond liners in the current market.
✓👉[Easier to Work With]: Thanks to its unique structure, the fish pond liner is softer and more flexible. It's easier to fold and cut to any sizes, so as to fit for nearly any shape ponds outdoor. We understand how hard it is to work with when the pond liner is too stiff.
✓👉[Excellent Performances]: Because of its five-layer structure, the pond liner is with relatively high puncture & scratch resistance. Suitable for high & low temperature environments outdoors. We have tested repeatedly that the pond liner can be used for over five years.
✓👉[Widely Used Applications]: Our reinforced PE pond liner was originally mainly used for large-scale aquaculture and waterproofing projects. Now we could use the it for duck & fish/KOI ponds, man-made waterfalls & fountain, raised planter bed or pool ect. Your ponds need a lasting liner.
✓👉[Warm Tips]: Please level ground and place underlayment before laying the pond liner, such as sand, old carpet and any others sheet of fabrics. Avoid hard and sharp objects to pierce pond liner. Please freely reach out to us if you have any questions, we will work it out until your satisfaction.

Learn moreon Amazon

More Info

ToLanbbt Pond Liner 20 x 20 Ft HDPE Pond Liners, 20 Mil UV Resistant Preformed Pond Liner Easy Cutting, Pond Liner for Natural Looking Ponds, Waterfall, Koi Pondsand Water Garden (Black)

✓[Safety Material] Koi Pond Liner is made of HDPE material, it has good softness, extensibility, 20 mil thickness liner is UV and puncture resistant, contains no plasticizers that can be used in outdoor ponds for a long time.
✓[Easy Cutting] This fish pond liner has durable yet lightweight, easy to install and bend, stretched around corners to fit nearly any pond shape. You can cut it to the size you want to fit all irregular surfaces.
✓[Protect the Pond] Black Pond Liner can well block soil and water. It prevents dirty substances in the soil from entering the pond and provides a good living environment for the animals and plants in the pond.
✓[Wide Application] Thick pond liner has waterproof and anti-leakage function. It can be adapted to ponds of various sizes with narrow corners, contours and shelves. The pond underlayment is perfect for fish ponds, fountains, waterfalls and water gardens.
✓[Please Note] Pond Liner under layment provides a flat surface for your gardenpond. Due to the high water pressure after injection, you can clean the area and add a layer of round pebbles before using. Avoid hard things affecting the life of pond liner.

Learn moreon Amazon

More Info

UWIOFF Pond Liner 20 x 25ft 20 mil Pond Liners for Outdoor Ponds, UV Resistant Pond HDPE Liner for Fish Ponds, Pool, Water Features, Fountains, Waterfall and Water Gardens, Black

✓20 mil Thick HDPE - Pond liner 20 mil, thick pond liners for outdoor ponds; Ultra-durable yet lightweight, 20 x 25ft large size is easy cutting and to install
✓Safe Material - Made of good quality HDPE, our pond liners for outdoor ponds are UV and puncture resistant, waterproof and leak proof, can be used in outdoor ponds for many years; Safe for your fish and plant
✓Easy to Clean - This fish 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
✓Multifunctional Use - 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
✓100% Quality Service - Each product of UWIOFF has been strictly screened and is seriously responsible for every customer. We offer 7 days, 24 hours worry-free customer support service

Learn moreon Amazon

More Info

20 x 20 FT Pond Liner, 20 Mil Pond Liners for Outdoor Ponds, HDPE Pond Liner Preformed Easy Cutting Puncture Resistant, Pond Liners for Water Garden Fountain Waterfall, Koi Fish Aquaculture Pond

✓20x20 FT POND LINER SET: The set includes a premium HDPE material pond liner and a pair of gardening gloves. The liner is highly durable, resistant to punctures, sunlight and functions well in cold temperatures. 20 mil (0.5 mm) thickness, is more waterproof and leakproof than other materials, ensuring retention of pond water
✓EASY TO USE: First, mark the shape of the pond and dig out it. Then, you can cut the liner any size and shape to fit your pond. Alternatively, seam two liners together with the pond liner seam tape. Finally, placed the liner on the bottom of the pond and secure it
✓PROTECTION OF PONDS: Pond liners reduce the entry of soil into the pond and maintain a clear water quality. This will create a more favorable habitat for your fish. In addition, pond liners facilitate easier cleaning and maintenance of the pond's bottom
✓WIDE USED APPLICATION: Pond liners are suitable for garden waterfalls, cisterns, fountain, fish ponds, duck pond and other aquatic life pond. Pond liner as waterproof layer also can be extensively used in construction, agriculture, rooftop, surface protection
✓TIPS FOR USE: To recover flexibility, it is advisable to leave the liner in the sun for 10-15 minutes. And at the edges of the pond, you can use modeling stones and marginal plants pressed against the liner to provide stability and aesthetic

Learn moreon Amazon

More Info

18% Discount

Adroiteet 20 x 20 FT Pond Liner, 20 Mil Fish Pond Liner Pond HDPE Liner, Pond Liners for Outdoor Ponds, Koi Ponds, Garden Fountain, Waterfall

✓Quality Materials: HDPE pond liners are the most heavy-duty and long-lasting option, made of a thick, high-density plastic material that is resistant to punctures and tears. HDPE liners, which are more leak-proof than LDPE liners, are ideal for large ponds or commercial applications where durability is of utmost importance.
✓Protect Your Pond: Pond liner can reduce the soil accumulation since it creates a plat surface. It can also keep away the harmful substances in the soil from penetrating into the pond to pollute the water, you can clean the pond more easily and effectively.
✓Long Lasting: The thickness of our pond liner is 20mil, which is stronger and more long-lasting, sun-proof and waterproof, can be used for outdoor ponds for a long time to provide a favorable living environment for animals or plants in the pond.
✓Easy to Use: Our pond liner comes in a variety of sizes and the material is soft to suit different shapes and sizes of ponds. Just put the pond liner in the pond and the smooth pond HDPE liner will provide a plat surface for better cleaning.
✓Widely Use: Pond Liner can be used in different sizes of koi ponds, fish ponds, garden fountains, waterfalls, pond waterfall, garden pond. A pond liner can last for decades with proper care and maintenance, offering a beautiful and sustainable backyard oasis for you, your family, and your aquatic pets.

Learn moreon Amazon

More Info

Toriexon Pond Liners 20 x 20 Feet, Easy Cutting LDPE Pond Liner 20 Mil, High Preformed Koi Pond Liner for Ponds, Streams, Fountains and Garden Waterfall

✓Premium Material: Our pond liner is made of 20 mils LDPE material, which is more tear-proof, wear-proof, UV and puncture resistant, providing protection to your fish and plants
✓Flexibility: Our pond skins is easy to set up, fold and cut freely as your design, stretch around corners to fit nearly any pond shape
✓Protect Your Pond: The water fountain liner reduce the soil accumulation, protecting your pond from harmful substances and avoid polluting the water, so that you can clean the pond easily
✓Widely Application: The pond stream liner is a ideal choice for agriculture and home like fish pond, water falls, fountains, lotus pond, duck pond, planter box and other garden waterfall
✓Note: Please clean the pond, remove the hard items from the pond and add a layer of round pebbles, relieving the high water pressure after injection, making the pond skins liner a longer life

Learn moreon Amazon

More Info

VIVOSUN 20 x 25 Feet Pond Liner, 14.5 Mil Durable LLDPE Pond Liners for Koi Ponds, Aquaculture and Water Gardens, Black

✓Durable Material: This pond liner is made of durable LLDPE material with high tensile and impact strength that resists tears and punctures; The 14.5 Mil thick liner can withstand extreme weather conditions, making it ideal for long-term use in outdoor ponds
✓Flexibility: This pond liner is highly elastic and flexible, easily bending and folding to fit almost any shape of pond; You can tailor it to your specific pond shape with ease by cutting it as needed; For better flexibility, it is recommended to leave the liner in the sun for 10-15 minutes
✓Better Pond Protection: This 20 x 25 feet pond liner is ideal for small ponds containing up to 1450 gallons of water; The black pond liner prevents soil and dirt from entering the pond, creating a safe environment for fish and plants
✓Easy to Use: This pond liner underlay provides a flat surface for your garden pond, reducing soil build-up; It is easy to install with no tools required; A layer of rounded pebbles on top of the pond liner will extend the lifespan of the pond
✓Variety of Uses: This pond liner is waterproof and leak-proof, and it will effectively retain water in your pond; It can be used in a wide range of agricultural or domestic applications such as fish ponds, water features, cisterns, fountains, waterfalls, aquaculture farms, and more

Learn moreon Amazon

More Info

Sinimaka Pond Liner 20 x 20 Ft, HDPE Durable Pond Liners for Outdoor Ponds, Pond Liners for Fish, Koi, Water Garden, Waterfall, Fountain

✓Safety Material - Constructed from high-quality HDPE material and free from plasticizers, our 20 x 20 Ft pond liner provide a safe environment for your fish and plants, ensuring durability for long-term use in outdoor ponds. (Please double check the size before purchase)
✓Hold Water Well - The pond liner is waterproof and leak-proof, effectively retaining water and preventing soil dirt from entering the pond. With high puncture and tear resistance, it prevents deformation and cracking, establishing a secure haven for your fish and plants.
✓Easy to Work with - The black liner is flexible and soft, allowing it to bend and fold freely in corners and making it easy to cut to fit almost any pond shape. With excellent ductility, it can withstand high-impact water forces without cracking. Simplifies your installation process, making it effortless.
✓Durable & Long-Lasting - The outdoor pond liner exhibits high resistance to heat, cold, corrosion, and UV, ensuring durability in harsh summer or winter conditions. Warm Tips: You can prolong the pond lifespan by adding a layer of old carpet or sand before laying the pond liner.
✓Wide Application - HDPE pond liner boasts waterproof and leak-proof properties, making it ideal for koi, fish, garden fountains, backyard waterfalls, cisterns, and other water features. Its versatility extends to planter boxes, roof coverings, use as tarps, etc. An economical and practical option for gardeners.
✓Facing Any Issues? - Dear customers, your satisfaction is our priority; please let me know if you need assistance.

Learn moreon Amazon

More Info