Brad J Reinert Posted January 30, 2022 Share Posted January 30, 2022 So I tested my water today in my 10 gallon tank and found that I had between 0-40 ppm kh and as a result my ph was closer to 6.2. I have heard Cory say to use crushed coral but my gh is over 300 ppm and I don’t want to raise my hardness any more any suggestions? Link to comment Share on other sites More sharing options...
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