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both of my plants started getting this on their leaves over night, what is the problem? and a solution? they are being watered with 4ml of cal-mag...
are these 2 plants able to be cleaned up by lollipopping or when is the best time for that, they are on day 28 from seed and topped once about 1-2...
how are my plants looking for this age? I have them under 2 300w LED and temp and humidity has been in the perfect range.