[NAFEX] Si & Clay, Sand etc.

martha_davis at highstream.net martha_davis at highstream.net
Mon May 7 22:49:07 EDT 2007

Clay, loam, sand are particle sizes and have little to do with mineral content. 
Not all sands are silica based. Yes silica is slightly soluable in water. In my
area it isn't lime that plates out in the toilet, it is silica.  Like with
anything else check your local conditions.


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