If you're trying to grow green water, it would be bad. But otherwise it's a good thing. Bill Vannerson <<< david@paltalk.com 4/18 1:12p >>> >>It will also kill suspended algae.<< I know I should probably know the answer to this but is that a good thing or a bad thing? :) Dave ------------------------------------------------------------------------- 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://www.digital.com for "Apistogramma Mailing List Archives"! ------------------------------------------------------------------------- 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://www.digital.com for "Apistogramma Mailing List Archives"!