Product does what it is supposed to do. Lower and/or remove KH. I keep a high end shrimp tank so low carb is important. Pay attention to the warning. Don't drop the bits on your plants. It will burn them. Dissolve the salt completely in a glass jar, not a plastic one, as it will react somewhat. My plastic cup was clear and has since turned cloudy white even after washing with soap. I can't assign the product stars as it technically works, but I'd like to know some of these things beforehand.
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