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DWC PPM question transition and flowering

I have purple punch and strawnana dwc 10 or 12 gal bins with usually 4.5gal of solution in them and two large air stones. They are in 5" netpots.

I am using the GH flora series and RO water that introduces call and mag back into the water. The RO system was for hydroponic growing.

My purple punch PH has stayed steady and ppm usually maintained. So I got that perfect balance. I was proud. However strawnana keeps dropping PH down to 5.4 from 6.2 in the course of 3 days.

My questions are...

DWC PPM question transition and flowering


from Hydroponics / Aeroponics https://www.rollitup.org/t/dwc-ppm-question-transition-and-flowering.1025593/

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