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Re: Aquatic Plants Digest V3 #1125

>Date: Thu, 1 Jul 1999 01:28:35 -0700
>From: "Mortimer Snerd" <n9720235 at cc_wwu.edu>
>Subject: Re: GH and kH from Calcium Hydroxide
>I've not been able to find calcium carbonate in a powdered form locally, and
>am leery of the binders that are used in the tablets found in drug store
>products, so I have been playing with the Ca(OH)2 as a convenient and highly
>soluble substitute.

If you have any homebrewing stores in your area, they sell small quantities
of very fine CaCO3. We tried it and it seems to dissolve easier than CaCO3
from Hach  Chemical (for instance). The homebrew CaCO3 comes in small jars
but the price is about the same. 

George Booth, Ft. Collins, Colorado (booth at frii_com)
  Major changes have been uploaded! More to come! WOW!