I have a 26 gallon tank that houses the following cichlids: 2 crenicara punctulata 2 Papiliochromis altispinosa 1 Laetacara curviceps 1 "cupid" (Biotodoma) Other: 3 corys, 1 pleco, 1 otto flexillus, 3 hatchets I like to feed twice a day and my problem is nitrates. I'd have to regenerate my nitrate resin too often and do water changes too often. I'd like to do water changes more, but it seems to spook and stress the fish so that I cringe at the thought. I have an Eheim "dummy" canister full of SeaChem's de-nitrate, but it doesn't seem to be working. I guess the problem is the amount of flow thru the canister, but I have a shut-off valve and no amount of tinkering seems to be doing the job. I had the idea to recycle my Tap Water purifier and put the de-nitrate in there. The small size of the hose should keep the flow down. The only thing is how to hook it up in the system - how to get water to flow thru and only get the right amount. Anyway, it's just an idea. -- Kelly Beard, Cat IV (on sabbatical) President, Allanti Cycling Club Innovative Computing Corporation ------------------------------------------------------------------------- This is the apistogramma mailing list, apisto@majordomo.pobox.com. For instructions on how to subscribe or unsubscribe or get help, email apisto-request@majordomo.pobox.com. Search http://altavista.digital.com for "Apistogramma Mailing List Archives"!