Package contains up to 8 scoops1 scoop: treats up to 800 gal./3,027 liters. Pond Salt helps reduce the effects of elevated nitrite levels toxic to pond fish. Helps restore natural electrolytes allowing proper gill function when pond fish are under stress. Also helps repair and promote a natural slime coat necessary for disease prevention. Treats up to 800 gallons or 3,027 liters and 9 lbs. treats up to 2,900 gallons or 10,974 liters.