Powdery Mjew

Low RH doesn't kill it. It makes propagation a little slower, but spread esier. High RH improves propagation rate and slower spread. Forget all that.. just try to maintain a proper climate as best you can for the plant. There's no fixing WPM with extreme low RH. There's no remedy for WPM. Continue to remove any infected plant material -- sooner the better. Usually by the time you can see a colony, it's old enough to be producing spores and spreading. All the magical foliar sprays are bullshit that won't work. They'll do more damage spreading it around than anything beneficial. Even the stuff available to commercial farms is barely effective against fungi. Fungus is a real issue in the modern world. We just don't have anything that is effective at fighting it in numerous contexts, like agriculture. Most WPM problems are a result of climate control. You are too consistently nearing dew point, most likely after lights go out and temperatures drop. The whole 'relative' part of relative humidity is the key. And, beyond that, look for anything consistently causing condensation. Air flow is good, but it doesn't need to be a wind tunnel, either. I think in this case it might also be because of the overall health of the plants. they have an unhealthy look in color and lack of turgidity. A weaker plant is more susceptible to disease. If your temp/rh polls every minute and you review the data to see that RH is not spiking, then this is likely behind the infection. harvest or not? I can tell you through experience that the wpm will continue to get worse. it's just a matter of how quickly it escalates and weighing what is lost or gained if you harvest early. In 3 weeks it may look like a xmas tree with fake snow all over the place... not just isolated leaves here and there.

Id harvest and clean everything. Even the scrog net. You can also use organic sprays for this. I know it's late in flower. But some formulas are meant to dissipate with the powdery mildew upon evaporation. I've used lost coast plant therapy fairly late in flower. Also is your plant under watered?

Oh Man it came back? Wahhhh .Wouldn't have expected that to be possible given the environment. Dang it. Spores can lay dormant for very long periods is this the same plant that was outside before or am I getting confused with someone else. Good luck G.

Evtl ist purolyt eine Hilfe... Im zweifel einmal alles in die Tonne und alles sauber machen, auch wenn solch ein verlust erstmal ärgerlich ist Vom Hersteller der Dryferm Bags gibts auch einen Luftreiniger welcher Bakterien, Viren und Pilze in der Umgebungsluft abtötet. Evtl ist das auch etwas hilfreich Das fieße ist ja nichtmal das was man sieht, sondern die Toxine welche man ja nichtmal sieht

WPM is the devil. Low RH and Airflow help prevent it but is also ideal for its spreading. then when RH spikes like at night or watering. it grows well but does not spread well. Best to use peroxide or bleach on a paper towel wipe the leaf and then remove it. prevents spreading a bit. there is no cure. gotta toss the soil and wipe the tent down.

PM SUCKS AND IS VERY VERY BAD!!! SOME PEOPLE WOULD TRY AND SAVE DA HARVEST!!! IF DAT WAS MY GROW I WOULD TRASH IT ALL! CLEAN AND DISINFECT EVERYTHING! DAT IS EVERYTHING TENT,FANS,LIGHTS,ETC AND SURROUNDING AREA DAT WOULD BE VERY VERY GOOD!! DIS IS JUST MY OPINION IM SURE OTHERS WILL DISAGREE!!! I WILL PRAY FOR YOUR FUTURE GROWS!!!

wenn der befall auf den Buds schon ist, würde ich es wegwerfen. bei deinem jetzigen Status sollte nur eine frühernte in Betracht gezogen werden, alle Fächerblätter wegmachen und evtl budwashing