What kind of water are you using? Tap? What's the ppm of your tap water?
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What kind of water are you using? Tap? What's the ppm of your tap water?
Thank you......will hit it again in the morning with new res solution at 350. Will calibrate the meter too......just to be sure.
Using RO. Not sure of the ph as I have never tested it. Will do that in the morning when I get a new batch from my water store.