I have sand and no algae, I only clean the glass once a week as well on water change day. I tried a bare bottom tank for a year and didn't like the look of it and if you're unhappy with the way your tank looks why have it? In the end either way can work with the same results but you have to be happy with it. I personally like a sand bed for the eco system it provides, the animals I keep in it and the natural look.
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