why are we running DSB and is it for the right reasons

[Fishster]

I have had my DSB's running for a couple of years now and I have been very happy with them. I have not seen any problem algea or any other problems with them. I am using them because I believe that they are closer to natural than a barebottom tank and they add to the biodiversity of the tank which is what I like about reef tanks. That having being said I have never cone through moving one which sounds like it could get ugly. Also it remains to be seen what happens after the 5 year mark if I see a dropoff in biodiversity this may be a factor. As it stands now I just don't see enough evidense to make me want to remove any sand.