| Re: How does a sump work??? |
Subject: Re: How does a sump work??? by zippy on 27/2/2007 19:36:06 I'm just about to buy a 40gal tank for marine use, my LFS said to use a hang on filter and skimmer but would I be better using a sump.Also will this be alot more expensive. If anyone could help me I would be very gratefull Stuart |