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Hydroponics Grow Tents Indoor Bud Dark Room Mylar Grow Box 120 x 120 x 200 cm

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lucas question

I'm using GH maxi-bloom and it says that its real close to the lucas formula @ 7grams/gal.
what exactly are they referring to, the npk ratio? or to actually use 7grams/gal. In ro water
7grams/gal is around 2ec, 1000ppm .5 scale. I don't go over 700ppm the entire grow. If i mix
weaker is it still the lucas formula?


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