[HBF] Re: Wasserqualitaet

[Georg Poehlmann]

> Thomas Rohner wrote:

> >From your wateranalysis i would suggest you add calciumphosphat commonly known
> as gypsum.(try to get as clean as possible, not the technical grade but the food
> grade)

Hi Thomas

Do you add gypsum or calciumphoshate? Both are different compounds!
Gypsum is calciumsulphate. This compound is slightly soluble in water.
Calciumphosphate (Ca3(PO4)2) is insoluble in water but there are
existing soluble
compounds like monocalciumphosphate (Ca(H2PO4)2).

Best wishes
Georg