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11/15/2007, 09:56 PM
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Registered Member
Join Date: Oct 2007
Location: Dallas, TX
Posts: 99
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poulverized limestone sand bed dust bowl !!!
so I decided to go with a 4" deep sand bed. I went with poulverized limestone since it was very cost effective. After rinsing this stuff out 3 times I placed it into my tank already filled with water. It has been 5 hours and the smokey water looks like its not settling too fast. I have shut down all powerheads.
how long does it take to settle? should I be worried about the thin layer of dust that settles on the top of the sand bed? 
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