API FreshWater Master Test Kit 800 Test fresh water Aquarium pond kit

Helps monitor water quality and prevent invisible water problems that can be harmful to fish and cause fish loss. Accurately monitors the 5 most vital water parameter levels in freshwater aquariums: pH, high range pH, ammonia, nitrite, and nitrate. Designed for use in freshwater aquariums only. Use for weekly monitoring and when water or fish problems appear. Compact and easy to store, this kit can conduct over 800 tests.