Green Refuge
Well-Known Member
Starting to see lightening around the edges which is indicative of potassium deficiency but its happening mostly on the mid to upper portion of the plant which is throwing me off. Any ideas ? Medium is roots organic original. Temps 70-78. Humidity on low side 25-50%. 4 bulb T5 in a 2x4. Been feeding it once or twice a week at 600 ppm and 6.5 ph. I have a soil ph pen I will use it Tonight to double check.
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