KH Carbonate Hardness Test Kit for Freshwater Saltwater - 75 Tests
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Kh Carbonate Hardness Test Kit For Freshwater Saltwater - 75 Tests

In most waters, bicarbonate salts form part of the total water hardness. These bicarbonate salts make up the carbonate hardness (KH) value. Bicarbonates have an important function in the overall chemistry of aquarium water. They act as a pH buffer, preventing sudden and potentially harmful changes in the acidity or basicity of the water. Where bicarbonates are deficient (i.e., a low KH value), the release of acidic substances from the natural decomposition of organic material can cause a dangerous reduction in the pH of the water. The higher the KH the better the pH buffering, but a very high value can result in the water becoming highly basic. Favorable levels of carbonate hardness are between 3 and 10 dH (degrees of German hardness). The Tetratest KH kit was professionally developed to accurately determine the carbonate hardness of your aquarium water. To ensure optimum water quality, frequent testing is recommmended. The kit contains on 10-ml test reagent, a test vial and instructions and recommendations.
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