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[APD] Re: replacing existing gravel
Date: Sun, 24 Jul 2005 21:32:37 -0700
From: Vaughn Hopkins <hoppy1 at surewest_net>
>So, why not just buy quartz sand sold
>very cheaply as masonry sand by places like Home Depot? No acid should
>be needed then, because carbonates are not supposed to be in sand used
>to make concrete, and the sand is certified as free of carbonates. (If
>I am wrong about this, I hope someone corrects me.)
>Vaughn H.
Swimming pool filter sand is pure quartz. $5 for 50 lbs.
Bob
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