While I respect the advice of purchasing reading materials, there are plenty of forums (including this site) which has more info than you can shake a stick at. Google for your info. If you dont get anywhere on your own, then in fact, a book may be your best choice. Nothing wrong with it, just hate to see someone spend money on something you can get completely free online. As for your question, You don't mention...This fo
, reef? What do you intend to keep starting out? In any case I have read mixed reviews, mostly negative, with regards to the bio wheels in a saltwater setting.