The Planted Tank Forum - View Single Post - Is my GH/KH gonna make my tank difficult?
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Old 01-09-2013, 03:14 AM   #10
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Originally Posted by Colorblizzle View Post
Adding RO water will increase my alkalinity??
RO water will not increase anything, it is completely void of everything but H20, well depending on the quality of the machine. Alkalinity, hardness, etc.. will be cut in half if you are to do as suggested and do 50/50 mix.
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