Using a standard potting mix (obviously not one I will use again), under HPS 1000w light. Have fed the plants nothing except pk13/14 over 2 weeks ago.
Temperatures range from 18 to the occasional 28 degree Celsius mark (2 degrees over optimum level).
I figured it’s too much or too little of something, can anyone advise which please?
Thanks in advance.
Could be a calcium deficiency. How old are your plants or what stage are they in rather? If they are a bit into flower, this is normal. Normal in that they require cal mag supplementation at some point in early flower or they start to show it.
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- What strain, Seed bank, or bag seed
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How about an overall picture of the plant in white light
Thanks Eagles009, great answer.
I’ll keep that in mind on the next crop.