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lowering gh/kh
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  1. Plants
    Hello, I am in need of help. :icon_conf I have been unable to lower my kh/gh by much in my planted tank. my gh/kh lowers with water changes but immediately spikes back up. I have done several water changes with RO/DI water which is what finally lowered it to a gh of 9 and a kh of 11 but i cannot...
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