6 is best. Those are optimum pH element absorption charts, Manganese can probably still be used by the plant in small amounts. I think calcium and magnesium are more important for the plant.
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Completed auto grows 3
2x4 Gorilla tent
600W HPS
Coco
GH Flora Series trio + Armor Si, CALiMAGic, RapidStart, Liquid KoolBloom, Floralicious Plus, FloraKleen, Diamond Nectar, FloraBlend, FloraNectar (Pineapple Rush version), Dry Koolbloom + Great White mycorrhizae & Terpinator
Grows using this setup: 1
Largest yield from this setup: 20oz / 567g
Previous grows:
http://forum.growweedeasy.com/forum/...row-first-grow
http://forum.growweedeasy.com/forum/...world-of-seeds -
Should I add Cal Meg then?Comment
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Check the water that You are using. Here the city puts out an annual water quality report that lists all of the dissolved solids and various chemicals. Here We have well water and surface reservoirs (rain run off) for our water supply and it all ready contains a fair amount of the need trace elements in it, so I do not use any additional calcium/magnesium supplements.
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I use the same stuff. I also had the same question so I asked MASTER GROWER GREEN for advice. His response? Feed em more Cal Mag feed at max label dose !. Remember, Green said this not me.Originally posted by tyler_ hobbyist View PostComment
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