ringwurm Posted January 5, 2008 Share Posted January 5, 2008 I didn't get a chance to respond before the thread was closed. For what its worth I have used the white silica sand you get at HD or lowes for a couple years and have not noticed any problems. It 8-10 bucks for 100lbs. It is very fine and likes to blow around so that can be a problem if you have high flow areas down low by the sand. I have tested for silica before and after installation of the sand and didn't see any difference. Quote Link to comment Share on other sites More sharing options...
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