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Wpm?? (white powdery mildew???

Bigchix72

Bigchix72

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Apple cider vinegar 2 tsp and water in a 1 qt. sprayer would be my 1st choice because someone I know used it. This can be used all the way to the day of harvest.
OR... milk and water 50/50 must spray with lights on, lights cause a chemical reaction in the milk. These are organic ways of fighting wpm but there are probably 50 different over the counter sprays out there

edit == forgot to put hydrogen peroxide 1-4 tbsp per qt water. This is what I use on every grow every few weeks I spray the entire room plants and all as a preservative for many molds, mildew, bugs, and it gives your plants a boost of oxygen and is good for Your plants.
 
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I would suggest the Apple Cider vinegar as I did both the milk method basically made it hard to see if any Wpm was coming back as the leaves had white milk residue all over it just my opinion tho was my 1st time fighting Wpm and with the milk stained plant i was not able to see it spreading like wildfire.
 
When I zoom in the pic gets blurry so I can't be sure could be bugs. Use a magnifier to look under your leaves, up n down the stems, and or put up some closer pics so we can see better
 
I've got something better than a magnifying glass I've got a microscope lens and there's absolutely no bugs on it that was the first thing I looked for
 
MeEasy what is the ingredients for that apple cider vinegar is it the vinegar and the hydrogen peroxide and water???
 
4 tbsp per qt water/peroxide OR 2 tbsp ASV/water both can be used daily and up to harvest. Never heard of them being used together. I've never used ASV but there's a guy on here right now doing an experiment (tried to find it to link it but couldn't) with it and is spraying daily with success.

Edit == always spray at end of the day at lights off so that you don't burn the spray into your plants. If you are in flower always shake the excess moisture off your buds to avoid mold, let spray sit for a few minutes before shaking
 
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WPM?? My worst nemesis since parking tickets. My grow room was clean. Chopped and took to dry/ cure room which unbeknownst to me had a PM problem. Cob webs on ceiling look like dirt. Dust on stereo and behind tv. Finally found black mold in the window corners. Lost the crop due to bad air. Don't let it happen to you. Researched and now import more outdoor air than just recycling inside basement air throughout growth cycles. Bought 2 continuous drain dehumidifiers. Also the BEST time to treat for bugs, is BEFORE you have bugs. Enjoy
 
So if you only have the 3% hydrogen peroxide would you need to water it down? I've read about 35% would need to be 4 tbs per gal or something like that? Can any expert provide some advice on this?
 
Update.....they aren't getting worse or better staying the same unfortunately I can't give them detention they need completely because I'm working out of town for the next couple weeks and have been for the last week
 
Try Safers garden fungicide. I tried a few other methods this season on both indoor and outdoor grows. Some homemade concoctions and Trifecta crop control and now Safers garden fungicide. Hands down Safers works well and fast. Only sprayed twice and I haven't seen it since.
 
Look up the apple cider vinegar and water spray it works! IIRC I think 2 teaspoons to 1 quart water,
H2O2 did not work for me at all.
 
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