In a message dated 1/26/99 8:48:04 PM Mountain Standard Time, BigJohnW@webtv.net writes: > As far as I know using peat through your filter will lower the pH in > your tank, but I don't think it actually lowers the hardness. Yep. It really does. SOmehow the things that come out of the peat will bind the minerals in the water and then... I don't know exactly. I think it forces them to precipitate. Bob Dixon ------------------------------------------------------------------------- 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"!