Does your filter agitate the water surface?If it does it will dissipate the CO2 and your ph will rise.Thats my guess. Vern ----- Original Message ----- From: <mickey3@intergate.ca> To: <apisto@majordomo.pobox.com> Sent: Tuesday, May 02, 2000 3:23 PM Subject: PH > Ok...now here's a weird one for everyone. I've been fighting to keep the PH > down in my 72 gal, as it would always rise into a high akaline no matter > what type of buffers I used. I added a nylon bag off spagnum peat to my > penguin emporer bio wheel filter and it stays down around 6.8. The other > day I turned off the emporer for the afternoon, for some peace and non > gurgling quiet, and forgot to turn it back on until the next morning. In a > panic I checked the PH and it's in the basement, Like high 5's to 6.0. If I > turn on the emporer, which has nothing in it except peat moss and some > standard floss filter media, the PH rises. Now what's with that? Could it > somehow be ionizing the water into an akaline state? I went so far as to > call Texas and get the specs on the gravel, which is 99.9% silicon and > inert when it was PH tested. Has anyone else had this experience?...thx and > sorry for getting off the apisto subject and into the twilight zone....Mike. > > > > ------------------------------------------------------------------------- > 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"! ------------------------------------------------------------------------- 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"!