Is a DKH reading of 13ppm bad? Eacd drop is equal to 1 dkh or 17.9 ppm KH Thats 232.7
brendac Member Jun 20, 2006 #1 Is a DKH reading of 13ppm bad? Eacd drop is equal to 1 dkh or 17.9 ppm KH Thats 232.7
