Fritz Alkalinity KH Test Kit

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Carbonate hardness or alkalinity (KH) is the measure of both carbonates and bicarbonates present in the water. The KH value of your water is important to know as the carbonate hard ness plays a significant role in the water?s pH and the water?s buffering capacity to keep that pH stable. KH naturally falls over time with the introduction of CO2 and other acids and nitrification. Reverse osmosis water should be buffered with carbonates before use to raise and maintain KH. Some municipal tap water can have variable KH levels throughout the year and should be checked regularly. In saltwater tanks KH can be tested to monitor the proper ionic balance when dosing. FR04006 Casebuy:12. Show more