End to the debate/promix & PH

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Originally Posted by oldmac

hy-dro-pon-ics = soiless agriculture; the raising of plants in nutrient mineral solutions without EARTH around the roots.

Pro-Mix used in a container and feed via the nutrient solution IS hydroponics.
Whether you hand water, set up an automated top feed (drip system) or place the containers in a grow tray (sometimes called a flood table) and bottom feed (ebb & flow) to reuse nutrients....it's all hydroponics.

Suggested PH by the mfg. is 5.9, but check and see what your nutrient mfg suggests. Dutch Master recomends 6.0 for Pro-Mix. (not a big difference)

BTW Pro-Mix is one of the few growing mediums that do not require cal/mag to be added even if using RO water. It contains dolomite lime that breaks down to calcium and magnesium, one less thing for commercial greenhouse growers to add to thier RO water.

OM

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I consider myself Enlightened by this thread . not only has khyberkitsune posted way too many suspiciously stupid comments in so many threads to side with him on anything but OldMac has stated quite clearly why ProMix is hydro. now ....back on topic...adjust the PH according to the fert mfg recomend?? why not adjusting for the medium and runoff? my plants are very healthy with Jacks 10/30/20 and MG 18/18/21 at 6.8 PH...