In that situation I would apply a BWT Bestmax Premium the cartridge exchanges calcium and bicarbonate for magnesium so will balance out your KH / GH. Hope that helps.
Matthew Van Elkan
Managing Director
07540 608 504
In that situation I would apply a BWT Bestmax Premium the cartridge exchanges calcium and bicarbonate for magnesium so will balance out your KH / GH. Hope that helps.
Matthew Van Elkan
Managing Director
07540 608 504