Question about Potassium Bicarbonate to treat WPM

Vinny133

Vinny133

Well-Known Member
Currently in week 5 since flipping the lights to 12/12. Recently came across some WPM on a couple of leaves. I’ve been growing a number of years and have been fortunate enough not to have come across this problem before so I was at a loss. After some research, it appeared a simple and effective solution was to mix a tablespoon of food grade potassium bicarbonate and a few drops of dish soap with a gallon of water and spray liberally. I have been doing this and it seems to be working well but the odd spot occasionally reappears. My question is, is this stuff safe to use during flower? I did try and research the point here, but I couldn’t find anything specific on that particular aspect of it. Lots of stuff about potassium bicarbonate but nothing on whether it’s safe to use on buds you intend to smoke.

Thanks,
Vin
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That looks like powdery mildew to me, now potassium is a natural nute for ganja, so I guess it's safe but I cant tell how's that gonna help. Apparently, my knowledge's are insufficient for that question, now I'm really curious about it
 
SnoopingAsUsualI said:
That looks like powdery mildew to me, now potassium is a natural nute for ganja, so I guess it's safe but I cant tell how's that gonna help. Apparently, my knowledge's are insufficient for that question, now I'm really curious about it
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From what I’ve read it definitely an effective treatment. Cheap and easy but requires periodic application until harvest. Not sure if I want to smoke it though. Will probably do a bud wash as a result of having to do this. Question is, do I go to all this trouble for mediocre buds (assuming the treatment affects them) or rip them up, disinfect and start again.
 
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