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Re: Oil dry = Kitty litter?
Bob Olesen wrote:
> I know nothing of the silicate issue - sorry.
Silicate really shouldn't be an issue. All clay minerals are
silicates. Sand and gravel is mostly silicate. Besides, dissolved
silica is a common component in fresh water. I don't expect it would be
limiting to diatom growth unless you have very fresh water (as in the US
northwest), or you use RO, DI or distilled water in your tank.