An HDPE (High-Density Polyethylene) geomembrane pond liner is a specialized waterproof sheet designed to line ponds, reservoirs, tanks, and canals. It acts as a protective barrier, preventing water loss due to seepage and protecting the stored water from soil contamination. https://www.mohantarp.com/hdpe-geomembrane-pond-liners-for-aquaculture-and-farming/