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Re: Calcium silicate

Hello Steve,

There exist several forms of calcium silicate. The most commom forms

CaSiO3 -- calcium metasilicate, alpha and beta forms
CaSiO4 -- calcium orthosilicate
CaSiO5 -- calcium trisilicate

All of them very insoluble.



> When inquiring at the hydroponics store about calcium carbonate (which
> they don't stock) they told me they have calcium silicate. How soluble
> is this? is it a useful form of calcium supplementation for the       > planted aquarium?
- -- 
> Steve Pushak                              Vancouver, BC, CANADA