Its a difficult one @truthhound but help is here. You can use Trifecta up to 2 weeks before finishing flower. Pm spores are always on cannabis and start when there is the perfect conditions for them to thrive. Its the reason I usually harvest earlier rather than later, bud rott, worms, other pests and just good 'ol bad luck. After all that effort, I usually just harvest early just to be sure. This season will be the first season where I am washing all my buds after harvest. Lets see how that goes, lots of extra work, but lots of clean bud. I hope.
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