dsb

[JAyers]

This may sound stupid, but what does dsb stand for? :confused:

[Will]

dsb = deep sand bed. it's a method of biological filtration. for more info, you may want to post this in dr. ron's forum.
fourhand2

[DgenR8]

Look here for some very good info on DSB's:

http://www.rshimek.com/reef/sediment.htm

http://www.animalnetwork.com/fish2/aqfm/1999/june/features/1/default.asp

http://www.reefs.org/library/talklog/r_shimek_090698.html