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Created over time in an African river
This warranty is valid only under normal operating conditions for which the unit is intended
GH should not change significantly before your next water change
brushed metal handles
API KH Carbonate Hardness Test Kit Cleaning Scrub With Handle Created over time in anThe API KH TEST KIT tests fresh or saltwater aquariums for carbonate hardness (KH), and helps monitor water quality and prevent invisible water problems that can be harmful to fish and plants. Carbonate hardness stabilizes aquarium pH, and can be used to determine the proper dose of pH buffers. Sizes Contains 1 test bottle, easy to ready instructions, glass test tube and color chart
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