01-29-2014, 02:14 AM
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Originally Posted by Alasse
I use pool filter sand, changed all my sand substrate tanks over to this because i can gravel clean it the same as gravel and not have to worry about it getting sucked up.
Play sand compacts if its too deep, where as PFS doesnt.
That's been my experience with it too - you can bury the vac and when you pull it out most of the sand falls back to the bottom. And that the uniform size and shape of pool filter sand generally prevents it from compacting. The finer the sand, the more of an issue that can be.