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re: CaCO3 supplementation in R/O water

Steve Benz wrote:

> anybody know roughly how much crushed limestone to
> and why?  Am I correct in assuming that I should use
> both* CaCO3 and NaHCO3 to achieve the desired KH?
> How many grams of CaCO3 / NaCO3 are there in a
> tablespoon?

It sounds like you were actually having fun with your dosing and
calculations though I may be wrong.  I think a good, cut to the chase
discussion can be found at George Boots website .
( http://www.frii.com/~booth/AquaticConcepts/ )  Theres also a
whole lot more at the Krib ( http://www.thekrib.com/ )

Seachem ( http://www.seachem.com ) has a new product called
"Equilibrium" which is designed as an R/O ion replenisher.  This  would
make things easier if that is your aim.

Christopher Coleman
christopher.coleman at worldnet_att.net