Quote:
Originally Posted by Bert H  Blues boy, how hard is your water? KH and GH? |
My kH is about 10 (190 ppm HCO3) and GH 3.4 (Ca = 20 ppm and Mg = 2.7 ppm).
Other parameters:
Na = 54 ppm, Cl = 8.9 ppm and Fe = 0.15 ppm
I have own water at the countryside. All parameters checked by laboratory.