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    Strange pH problem in flowering stage, changing to tap water from RO

    Hi all My first grow ever, I have a 9 week old autoflower in DWC in its flowering stage and I have been using RO water with added Calmag and Flora Trio nutrients its whole life (around 1/3 of the recommended dosage), no issues. Around 2 weeks ago I started getting sudden pH drops, it would go...
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    DWC PH issues: Ph dropping like a rock - Please help

    I know this is an old post, but recently I had the same problem. My Autoflower (Week 6, week 2 of flowering) would drop ph from 5.8 to 4.8 overnight and the ppm would remain the same. This was going on for a few days and I kept adjusting the ph not knowing whats going on. I came across this...
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