I have a couple of RQS Bubble Kush in Aquafarms 4 weeks into Veg, each under 2x 600w HPS, using Dutch pro running EC 1.2-1.3 and PH ranging from 5.2-6.2, Temps 28-30c ( I like to vary it through out the weak to avoid lockouts for prolonged periods. I have another 3 Critical in Waterfarms who are thriving, but the new growth seems to be stunted and pale yellow. Anyone have any ideas. The water is shit where I am in Spain so use a water filtration system.
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