Originally Posted by
prime311
http:///forum/post/2673298
Put in as much sand as you want to be aesthetically pleasing. You can do 1", 1.5", 2", etc... Any amount of sand will provide additional places for aerobic bacteria to form(this processes Ammonia and Nitrite). You need a DSB to get additional Nitrate reduction, this is a 6" plus. Thats a lot of space to lose in a DT and isn't often the preference for looks, it also can crash your tank if it gets overly disturbed on accident. So unless you like the look of a DSB, don't do it. If you want a DSB type of nitrate reduction, you can do a remote DSB in a bucket next to your sump or something.
This is where I demonstrate my awesome powers of MS Paint utilization to show the remote DSB super filter you can put together for like 25$ using a 5 Gallon bucket.
I have read about doing this, and from what I have read you want to keep the water moving enough to keep any free floating particles from gathering in the bucket (so it does not get algae and all mucky). I don't think the 6to8 inches of LR would would help, I think the LR would trap junk. Anyone have experience with using LR with this nitrate reduction method?
Shoot forgot to add....AWESOME DRAWING!!!