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kramleigh
02/15/2007, 04:34 PM
Hi,

I am converting a fw tank to sw. Since I am unsure if the hood and cabinet is reef safe - hood's hinges are slightly rusty, I was thinking of putting pvc covers over both tank and sump. I have read on the forum before that this isn't ideal for good gas exchange. Could I put an airstone in the first chamber of my sump to improve this?

Thanks, K :rollface:

bertoni
02/15/2007, 04:38 PM
Airstones make a big mess in saltwater systems. I wouldn't do that. I'd ditch a tight-fitting hood or open up some ventilation in it.