Bentonite Clay Granular, also known as sodium bentonite, is a clay compound useful in reducing water loss from ponds through aqueous seepage and holes.

• Expands as it absorbs water to fill small holes
• Can provide short term control of water loss
• Full effectiveness may take several minutes
• Spread liberally where seepage and leakage is suspected
• Apply 3 lbs./sq. ft. on average