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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.

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