Jerry, If you can get your acid buffer to about pH 2 then you probably can use it to test for carbonates. I always thought that Hydrochloric Acid was an aqueous solutions of hydrogen chloride, a gas. Mike Wise JerrCarol@aol.com wrote: > Yup, > that's why I called it pool acid in a previous > post. I've heard it said before just get some > pool acid. Isn't that the same as using a buffer > though for your swimming pool? I know what you > said Mike about the pool acid being cheaper is > good. But, I thought if you happen to have some > seachem around I was told by a somewhat reliable > source<G> that it was just a form of dried out > hydrochloric acid. This source could be wrong I > think he was maybe one time before.<G> > > > JerryB > > > ------------------------------------------------------------------------ > > 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