Your experience with the 10 gallons per day unit is very similar to mine. I used a 24 gallons per day unit and it was great. I did feel guilty about the waste water though. Joe Hildreth 15 Cedar Street Potsdam,NY 13676 ------------------------------------------------------------------------- This is the apistogramma mailing list, apisto@listbox.com. For instructions on how to subscribe or unsubscribe or get help, email apisto-request@listbox.com. Search http://altavista.digital.com for "Apistogramma Mailing List Archives"!