Greetings all, long time reader, second time grower, first time poster. Have what im guessing could be a bug problem, noticed this on several leaves, all on the bottom half of two plants growing in the same DWC res. First noticed one week ago, about a week and 1/2 after switching frow a 250 hps to a 600 hps in the flowering room, so curious if it could be heat related, although it never gets above 75 and this is on the bottom half of 3 1/2 foot plants, any help would be appreciated.
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