chemistry
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I'm running at close to 6.0PH and my ppm at 425. May add some more nutes but they appear to be happy with the low nutes in RO water. Just ordered an air cooled hood.... Weather will be getting warmer here in New England.View attachment 778947
Don't up your nuits just yet, they look fine, they will take on a slight yellow hue when they need the PPM's raising.