Gardening Ponds Liner, Pool Liner Geotextile Landscape Fabric, Soil Cover Underlayment Pool Liners Pond Skins for Outdoor Ponds, Flexible Fish Pond Liners for Streams Fountains And Water Gardens ( Col : Amazon.co.uk:
CClz Pond Liner for Artificial Ponds, 0.5 mm Plastic Skin Waterproof Film, Patchable Waterproof Geotextile for Fish Ponds, Streams, Fountains, Black/8 x 9 m : Amazon.co.uk: Garden
Protected above and below with tough geotextile fabric, the pond liner is completely safe. Backfilling with subsoil gives a completely natural final look to your wildlife pond - Natural Gardens
Top Useful Tips for Installing Geotextile Liner - Ocean Global