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

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PH issues with rez

Im having problems with keeping my ph down, and looking for suggestions. I have been fighting this from the start (2 + years)

I am running a recurlating nft, stinkbud style, with a 11gal sterile res, with air stones. and jacks 321 nutrients. With no other suppliments.

My tap water runs about 300ppm, and a ph around 7.0-7.2. About a year ago I installed a RO/DI system to try to help lower my ppm/ec. The RO is running about 8ppm and 6.8ph

Since then i have tried everything from 10% RO...

PH issues with rez


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