Posted 07-08-2008 at 10:24 AM by LeeS Hey, I was wondering if anyone could give me some advice. I am very new to saltwater aquariums. I have a couple of 20 gallon tanks an one 10 gallon. I am wondering if the 20 gallon would suffice for a fish-only tank and if a protien skimmer is necessary. I have talked with several associates at large chain stores. I'm pretty sure they know what they are talking about. I have also talked with a couple of guys at a local shop but it seems all they are interested in is selling me 120 gallon tank for... | 
