Here's an article from a gentleman I was lucky enough to meet and chat with. He is a member of a reef club I am in. Pittsburgh Marine Aquarium Society
This article explains DSB's and RDSB along with what it can do for your marine tank. (Lower Nitrates) :) They are very easy to build and cheap. All you need to make one:
5 gallon Bucket or Tank
5lbs of Sand
Pvc pipe and few connections
Few bulkheads
Powerheads or small pump
Theres another article that explains how to build on out of a bucket, if I can find it again I will also post that.
http://forum.marinedepot.com/Topic59558-13-1.aspx
article on how to build one:
http://www.saltwaterfish.com/vb/showthread.php?t=305309
Enjoy !!!
This article explains DSB's and RDSB along with what it can do for your marine tank. (Lower Nitrates) :) They are very easy to build and cheap. All you need to make one:
5 gallon Bucket or Tank
5lbs of Sand
Pvc pipe and few connections
Few bulkheads
Powerheads or small pump
Theres another article that explains how to build on out of a bucket, if I can find it again I will also post that.
http://forum.marinedepot.com/Topic59558-13-1.aspx
article on how to build one:
http://www.saltwaterfish.com/vb/showthread.php?t=305309
Enjoy !!!