Was wondering if any of you are using Ozone to sterilize your tank water?? If so ... what setup do you have and how do you prevent raw ozone from entering the main tank? Thanks, Ken G ----------------------------------------------------------------------- -- 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. apisto-digest@listbox.com also available. Web archives at http://lists.thekrib.com/apisto Trading at http://blox.dropship.org/mailman/listinfo/apisto_trader