The silica based sand has a sharper grain, so some more delicate inverts and/or fish may not appreciate the extra rub. Over time there could be algae issues I suppose, but if you keep all other parameters where they should be, this should not be a problem. I have used a silica based sand for 3 years in my tank with no algae problems, and am using it in my new tank. May not be the best, but it is CHEAP!
Woo Hoo, PAYDAY! Time to pay the LFS
rent (even before I pay mine
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