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Your cart is empty.Tests tap water & fresh or saltwater aquariums for carbonate hardness (KH). Helps prevent fish stress caused by rapid pH shifts, the result of low levels of KH.
Debra
Reviewed in the United States on March 5, 2025
Always can count on the quality of this item.
Joan Rasmussen
Reviewed in the United States on February 24, 2025
This test kit is my #1 priority when testing pond water. Maintaining the Kh value is key to keeping ph level stable and ammonia level at zero. Enhances fish color and plant growth.
James B. Mccall Jr.
Reviewed in the United States on December 27, 2021
Some API Test are hard to read ( like PH, Nitrate and Nitrite ) but this product is easy to use.
Donald S.
Reviewed in the United States on July 18, 2019
got what i wanted and the price was awesome
Margo M.
Reviewed in the United States on May 28, 2019
I use this product a lot with my shrimps, so a three pack just makes sense!
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