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Frizza · 01-18-2008, 08:22 AM

I agree with coral_reefer.

However, if you're talking about a DSB where it's depth is just below the water surface then indeed you need a much higher flow, this will just stop to much detrius build up. The sole purpose of this is for denitrification. One method that I haven't actually tried myself but I would if I had more space is to install a remote DSB. This is plumbed in separately and therefore is easy to maintain.

Personally I would rather a refugium with say 3" of sand and all of the benefits that it gives. But if you have the space then why not try both methods, and if you need more flow on your DSB then just get a mini power head.

01-18-2008, 08:22 AM	#3 (permalink)
Frizza Coral Banded Shrimp Join Date: Jan 2006 Posts: 387 Karma: 186	I agree with coral_reefer. However, if you're talking about a DSB where it's depth is just below the water surface then indeed you need a much higher flow, this will just stop to much detrius build up. The sole purpose of this is for denitrification. One method that I haven't actually tried myself but I would if I had more space is to install a remote DSB. This is plumbed in separately and therefore is easy to maintain. Personally I would rather a refugium with say 3" of sand and all of the benefits that it gives. But if you have the space then why not try both methods, and if you need more flow on your DSB then just get a mini power head. _________ 80gal with live rock (35kg/70lbs), 30gal sump, refugium with live rock, chaeto and DSB, Bullet-1 skimmer, Fluidized Reactor, T5 lighting (6 tubes), 4 x Koralia 3's.