![Amazon.com : HALF OFF PONDS - 18 ft. x 40 ft. 20-Mil LLDPE Pond Liner for Ponds, Lakes and Retention Basins : Patio, Lawn & Garden Amazon.com : HALF OFF PONDS - 18 ft. x 40 ft. 20-Mil LLDPE Pond Liner for Ponds, Lakes and Retention Basins : Patio, Lawn & Garden](https://m.media-amazon.com/images/I/81a5pT4R3mL._AC_UF894,1000_QL80_.jpg)
Amazon.com : HALF OFF PONDS - 18 ft. x 40 ft. 20-Mil LLDPE Pond Liner for Ponds, Lakes and Retention Basins : Patio, Lawn & Garden
![MacCourt 6-ft L x 7.75-ft W Black High Density Polyethylene Pond Liner (270- Gallons) in the Pond Liners department at Lowes.com MacCourt 6-ft L x 7.75-ft W Black High Density Polyethylene Pond Liner (270- Gallons) in the Pond Liners department at Lowes.com](https://mobileimages.lowes.com/productimages/452bfb9d-256b-473b-bf6f-60a6188eb72a/10752175.jpg)
MacCourt 6-ft L x 7.75-ft W Black High Density Polyethylene Pond Liner (270- Gallons) in the Pond Liners department at Lowes.com
![MacCourt 5.75-ft L x 7.75-ft W Black High Density Polyethylene Pond Liner (260- Gallons) in the Pond Liners department at Lowes.com MacCourt 5.75-ft L x 7.75-ft W Black High Density Polyethylene Pond Liner (260- Gallons) in the Pond Liners department at Lowes.com](https://mobileimages.lowes.com/productimages/b93c8829-a075-407e-9bd4-13208520beac/10744690.jpg)
MacCourt 5.75-ft L x 7.75-ft W Black High Density Polyethylene Pond Liner (260- Gallons) in the Pond Liners department at Lowes.com
![Inherited a few preformed ponds. Any thoughts on how to make the two a joined feature with a spillway/waterfall from top to bottom? Any advice on filtration also appreciated!! : r/ponds Inherited a few preformed ponds. Any thoughts on how to make the two a joined feature with a spillway/waterfall from top to bottom? Any advice on filtration also appreciated!! : r/ponds](https://i.redd.it/2ld5c4zaww071.jpg)