Quote:
Originally Posted by StirCrazy
there is no standare for RO water as thee is no buffer in it to maintain PH. usaly it is a little acitic. to calabrate you have to use a solution that is buffered to a specific PH RO water will just screw ya up.
Steve
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Thanks Steve. I just calibrated the ph controller, and the RO wasn't constant. That makes sense now. It's been reading about 6. I guess I'll wait to heat and salt the water then worry about the ph. Thanks for the help.