Originally Posted by mordalphus
No, you add RO right until your _GH_ is 4-5, KH should stay 0
BTW, sweet UGF :P
Sorry to sorta thread jack but Im curious, does KH matter at all in a tank with active soil? Or because the soil buffers you dont need KH and the soil keeps the PH from swinging?
Also in the regards to the OP, sweet UGF.