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Originally Posted by kari
Probably a benifit to the system. I haven't witnessed any problems with this.
I'm not even sure why a DSB has to be deep anyway. My tank has a thin layer of fine sand with part of the tank bare glass. I have not performed water changes as many do (I am sensing arguements coming already) and have not seen a rise in nitrates or phosphates. This is just how I have gone about it and don't recommend any particular method since I don't know as much as most others do.
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Probably right about the arguments Kari but I know a guy who swears you don't need a sand bed in a reef tank(remember I'm just passing this on). He doesn't do water changes either. He has different corals in his tank but it is no less impressive (insert spectactular) than yours.
Keith