Plants in your tank can use up CO2/carbonic acid in the water and drive up pH significantly in a short time. Tomoko ----- Original Message ----- From: <LeeH920226@aol.com> To: <apisto@v2.listbox.com> Sent: Friday, April 25, 2003 6:31 AM Subject: Re: PH crashing Up? > > In a message dated 4/25/03 12:11:15 AM, caw18@bak.rr.com writes: > > << o around 8.4! I tested the KH, > > and it is still at 2 or less in some cases. So what is driving the PH up? > > > I have ruled out the gravel and the sand, >> > > Not necessarily correct. The gravel is very suspect when you get to lowered > TDS with RO water. The clay pots cannot be ruled out either. How did you test > the gravel? > > Lee Harper > Media, PA > USA > > ---------------------------------------------------------- ------------- > -- 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. apisto-digest@listbox.com also available. > Web archives at http://lists.thekrib.com/apisto Trading at > http://blox.dropship.org/mailman/listinfo/apisto_trader > ----------------------------------------------------------------------- -- 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. apisto-digest@listbox.com also available. Web archives at http://lists.thekrib.com/apisto Trading at http://blox.dropship.org/mailman/listinfo/apisto_trader