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Sensi Grow pH Perfect Problems

Hello all and thanks in advance for the help!!

Im 20 days into my first R-drip system using hydroton (thoroughly rinsed and soaked properly) with 9 girls under 2 600 watt lights

My concern is this:
Like so many others, after mixing AN Sensi Grow

at a ratio of .75 ml/L (im starting a couple seeds alongside these fresh clones)

Readings are at 6.8 ph

A bit of background--week one i burned the plants with GH pH down, not having a ppm meter and my water not going below 5.9 i was dumping ph...

Sensi Grow pH Perfect Problems


from Hydroponics / Aeroponics https://www.rollitup.org/t/sensi-grow-ph-perfect-problems.1019355/

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