zip420 commentedweek 24mo ago
I think it's a good idea to measure the EC during watering and the runoff EC as well. It looks very good!
If it's female, the pistils should already be visible from the base of the stem. The leaves are looking sharp, and I can see some ball-like shapes, so it seems male. I recently had a failure in sex reversal with STS, so to be honest, I'm a bit envious of the male plants. If you collect pollen without pulling them out and freeze it carefully, you might be able to pollinate in the next grow. As for CalMag, if you're using "YAMATO" tap water, I feel like it might be better to add a little if the EC is below 0.3, but in the photo, it looks healthy enough that it might not be necessary.
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