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Hydroponics CANNA ADDITIVES PK 13/14 Plant Nutrients 5L Litre

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pH During Flush

Do I use my General Hydroponics (Chemical) pH up/down during flushing? Or just plain H20? Does it need to be R.O water?

Thanks,

KoolCat


from Hydroponics / Aeroponics https://www.rollitup.org/t/ph-during-flush.304726/

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