Fritz 6 in 1 Test Strips

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Testing your aquarium's water parameters regularly is an important part of keeping and maintaining a healthy environment for your fish and invertebrates. Fritz 6-in-1 Test Strips a re a fast and efficient way to accurately measure six important parameters in both fresh and saltwater. Fritz 6-in-1 Test Strips measures: pH, nitrite, nitrate, alkalinity, general hardness, and chlorine. Show more