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- #561
most grocery stores have a water machine outside that dispense RO filtered water that's Ph neutral at 7.0 around here its 25cents a gallon. some folks also use citrus or grape juices to help lower the PhThanks fish cake, 50 -50 on the ferts it is. And KushMeister, I do let the water sit out for a day or 2. It comes out of the tap a 7.5 but rises to 8- 8.5 by the time its dechlorinated for a day or two. I can't afford anything but tap water so I'm kind of stuck with it- its acidic mountain water that the city adds a lot of alkaline stuff to.