Can anyone help? I'm kinda stuck here and totally clueless to cal / mag and if I need to use it in RO with H & G. I've been told that H/G has cal in it already but it doesn't seem to be doing the trick.
Can anyone help? I'm kinda stuck here and totally clueless to cal / mag and if I need to use it in RO with H & G. I've been told that H/G has cal in it already but it doesn't seem to be doing the trick.