API GH & KH Freshwater Test Kit.
Tests tap water and freshwater aquariums for general hardness (GH) and carbonate hardness (KH). Helps detect stress on fish caused by rapid pH shifts, which result from low KH levels and helps aquarists duplicate the natural habitat of their fish.
API GH & KH Freshwater Test Kit.
Tests tap water and freshwater aquariums for general hardness (GH) and carbonate hardness (KH). Helps detect stress on fish caused by rapid pH shifts, which result from low KH levels and helps aquarists duplicate the natural habitat of their fish.
Product code: 2430
Item No. TK-API01058
Item No. TK-API01058
4 Reviews
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Efficient
Product is more precise than the master test kit
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I have watched others use this test and have heard good things
I have had this recommended to me and plan to use.
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Easy to use
Easy to use and accurate. Important addition to any aquarium test kit.
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Easy to use
Easy to use. Important addition to any test kit. Accurate and quick.
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API GH & KH Freshwater Test Kit How would you rate this product?
Please fix above errors. 
Wayne B. Verified Customer 
03-31-25
Like shopping here rather then saltwater aquarium and I won;t shop at brs anymore because they discontinued hydros products. Only issue i have is the user of fedex. They are horrible. They tell you your package is out for delivery then it never arrives until usually the next day.
Recommend this Company5 / 5
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SAM P. Verified Customer 03-31-25
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