I recently dealt with quite a large Powdery Mildew outbreak. I have it 99% handled now and it was fa

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Hey guys. I got powdery mildew on my plants, little spots, Got advice to spray them with H2O2, so I've done it, but there is still some spots, do I need to spray again, how often can I spray them? And I recognize that after H2O2 spraying they don't smell as before, they smell like sh*t now Totally like real sh*t First I thought my cat is take a shit in my grow room But don't identify any crap there So what you can say about spraying? On Monday will starts bartoli 11th week from the day I started 12/12 cycle... But my THC don't look smoke or brown, can't harvest bartoli now :/
Your H2O2 if you look on the label, is 3% ? So, that means it is 97% purified water.... Spray plant where white shit is, and lightly wipe [try small area] off mildew with paper towel, then throw away... Wash your hands in H2O2, and rubbing alcohol after so you do not transfer PM to other areas... Yes, in a higher dosage H2O2 will kill your living bartoli organic soil...so, kill the PM, but don't kill your soil.... fine line....Good bartoli Luck!
sikkinixx Marijuana Toker Marijuana Toker Join Date Apr 2013 Posts 143 Journal Entries 5
Get a sulfur burner if you're serious about getting rid of pm. They aren't cheap but it's alone time investment as opposed to expensive sprays that only work where you actually spray. Very ineffective.
What is your R/H in the area? You can spray anything you want but if you don't get your R/H in check...it will come back!...Always! A good de-humidifier will solve your problem and get rid of all the pm once your humidity comes down past 45% JAS
I recently dealt with quite a large Powdery Mildew outbreak. I have it 99% handled now and it was fairly simple. Here is how I took care of it: I have a hose that I have permanently run into my grow area. It has a little nozzle thing on the end I can use to temporarily shut it off and on while I'm working and the spigot is turned on. After the lights in the grow room turn off for the night, I go in there with a green flashlight and the hose turned on (fairly high pressure). I open up the nozzle just slightly so its spraying out a very small high pressure stream of water. I use the high pressure stream to spray off each leaf. You want it spraying fairly hard and you don't want it using tons of water, otherwise you'll end up with a massive mess all over the floor. So, you spray off all the leaves. Make sure the pressure isn't so high that you are snapping off branches and leaves. Spray off the plants as best as you can. It will make a bit of a mess on the floor, but you just use a towel to wipe that up afterwards. The next step is: hittin the girls with some neem oil. I use 2 to 4 teaspoons bartoli of neem oil extract/concentrate per liter of water. I bought "Garden Safe" brand neem extract from Lowes. I think it was less than 10 bucks. I'll include a pic along with other pics. I used to use stuff like AzaMax and/or Mighty Wash to control problems like spider mites. They were really hard on the plants and they were really expensive. Now that I'm using neem, I haven't had an issue in 6 months. I haven't seen a single spider mite, and it works fantastic for PM. No issues what-so-ever. I just hit the girls with neem once every few weeks, and my plants are happier and healthier than they've been in over 4 years. So, I use a "gun" that you can buy at Lowes that you use for painting... spraying paint onto walls. You can use any spraying device you want, but if you have a large garden, this investment will be worth every penny. I mix up my neem oil and spray away. You can do this a half hour or an hour after you rinse the girls off with plain water, but I usually wait until the next night, after they've had a chance to dry. You want to DRENCH the plants top to bottom bartoli with your neem oil mixture. I mean DRENCHED. You want the plants to look like there was just a rain storm in there for the last few hours or something. When you go into your grow room the next day, you'll see 90-100 percent bartoli of the PM gone (depending on how bad the case was). Repeat this whole process every 1 to 3 weeks as needed. Once you get rid of your powdery mildew, continue doing this every few weeks. It's called preventative maintenance and will save you so much heartache. If you are worried about tasting it on your bud, discontinue bartoli the program 2 weeks before harvest and rinse off with plain water one last time about a week before harvest. I'm telling you... If you do this and continue doing it as preventative maintenance, you will never have spider mites or PM ever again. It sounds crazy using moisture to get rid of a mildew substance. bartoli It's counter intuitive but it works. I swear to god. Lemme know how it worked for you. I will include some pic