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Originally Posted by Jaws
After recent discussions with Steve (Thanks Steve), I think i'm going to use crushed coral as a sand bed and hide pod piles in the rocks for bugs to grow. I'm doing this so I can increase the flow in my tank without blowing sand around anywhere. Can anyone think of any disadvantages to using crushed coral as a sandbed in your tank?
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Its a good substrate for smaller tanks and can certainly handle more flow, as long as you can easily siphon clean the gravel bed, then the detritus{ thus the phosphate }, can be kept to a minimum.
However if its like my friends 180 or my 225, both in a wall, with back access only, then it can be a PITA. I had to eventually remove mine and we just did the 180 last weekend. Both were clogged full of detritus and fueling algae growth.