The Planted Tank Forum - View Single Post - Use swimming pool sand?
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Old 01-26-2013, 12:53 AM   #4
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Probably not. Plant roots do not seem to use sand as well as they do finer materials. I would use pure EC, and when you add driftwood or rocks push them well into the substrate. That can make the substrate a little deeper, especially if you use rocks as a sort of retaining wall, and push the substrate a little deeper at the back.
Smaller plants, usually chosen for the mid and front are OK in shallower substrate, too.
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