Try adding a few plants like duckweed or water sprite. These are very easy to keep - sometimes too easy. And they remove amonium and other nitrogen sources quite well. ===== J. Miller Edmonton, AB, Can. __________________________________________________ Do You Yahoo!? Yahoo! Calendar - Get organized for the holidays! http://calendar.yahoo.com/ ------------------------------------------------------------------------- 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"!