in dallas,tx water is hard...approx 200pm...am looking for an inexpensive way to reduce the hardess thakinginto accoun multiple water changes of 30% or more are performed per week, thanks, russ ------------------------------------------------------------------------- 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"!