Sodium Bentonite Clay for sealing ponds - 45 lb bag One 45 pound bag = 0.63 cubic feet  Covers 9 square feet at 6 pounds per square foot. Bentonite clay is a natural expanding clay sealant that when exposed to moisture can expand 15X or more...

Granular Sodium Bentonite Clay for sealing pond soil - 25 lb bag Bentonite clay is a natural expanding clay sealant that when exposed to moisture can expand 15X or more creating a very effective pond sealant when applied correctly.  Bentonite...

Pond Shield by Pond Armor Epoxy Liner Pond Shield is a non toxic epoxy pond sealerfor concrete ponds and fountains. Pond Shield is safe for fish and aquatic plants. Epoxy is easily applied with a roller or brush. Pond Shield is available in Black,...

Bentonite Application Rate Test Kit Includes the essentials for testing your soil supplemented with bentonite  Test kit includes pre-drilled 5 gallon bucket with lid, pre-measured packets of bentonite at the 2, 3, 4, 5, and 6 lb per square...