Thread: My DIY Rock
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  #27  
Old 11/08/2007, 01:01 PM
Markieb Markieb is offline
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Join Date: Nov 2001
Location: Houston
Posts: 194
Mine is 1 part water
5 parts crushed oyster shell
1 part white contrete

This will make a VERY light and airy mixed. You will have to handle it gently for about three days.