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- Total Hardness UH (50 tests)
>500 ppb (µg/L)
each water quality strip tests for Nitrite
The change is measured by comparing the colored water in the vial to a color chart giving the user fast and accurate results
AquariaTest 4 Parameter_Aluminum - Total Hardness UH (50The AquariaTest 4 is designed to test your Nitrite, pH, Total Alkalinity and Total Hardness levels in your aquarium or pond. Designed for Fresh Water. No instrumentation needed. A great alternative to wet chemical testing. Each colour block also includes recommended levels. Contains 50 test strips. Ranges: Nitrite (NO2): 0, 0. 5, 1. 0, 3. 0, 5. 0, 10. 0 ppm Total Hardness: 0, 50, 120, 180, 250, 425 ppm (0, 3, 7, 11 ,15, 25 gpg) Total Alkalinity: 0, 1.
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