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Landlord not opposed to 420 garden. Sent from my SM-A032F using Tapatalk

So currently doing my personal best grow so far, but seems to be going sideways eish. Rear two plants are Crescendo clones, front two plants are Forbidos clones. Veged for under 2 months, flower week 5~, ~310w LEDs. I am having persistent issues with powdery mildew throughout the tent and one plant decided to go hermie on me. I need advice on how to proceed, see attatched some pics I tried to take of the PM I find throghout my plants. Its not like massive spots, but more inside some nugs or leaves that just sit in bad vented areas if i had to guess, but a lot of these small spots, really a lot. My current treatment plan was AQ-SF spray, about 800ml for entire tent mixed with ~40ml AQ-SF, every third night with the fans off. It has been kinda working to keep things dormant, but the small spots are just getting more and more. I was considering spot treating all the PM i can find with a milk/water spray but need some advice on this before I harm my nugs. I have at my disposal AQ-SF, systemic fungicide, milk, maybe oils and other household stuff. Any advice appreciated! My best guess for my bad ventilation is the extractor fan is not strong enough, I have 2 oscilating fans, one doesnt turn anymore but ay, and a 4-inch RAM inline extractor inside my 1x1m tent. Next investment might be another extractor, so any recommendations around 1-3k would be appreciated! Then secondly, my closest, right, plant is shooting piesangs. Dont even know why as it was one of my more-healthy plants. My current plan is to just pluck as I find them, but still have about 3+ weeks to go if I had to guess. Any advice on this? maybe harvest this one plant earlier if it gets out of control? thats if the PM doesnt get to it first...

GMC and Mecca are good brands. I got lucky a few years ago with a 2nd hand one from marketplace with someone moving overseas.

Not sure where in the country you are but for my in the Cape humidity goes up at night when it gets cooler so I run my lights on at night to have it abit warmer and keep humidity in check. Having a dehumidifier is also a big plus if not must have if you serious about growing. I would consider investing in one before a new inline fan.

Yeah i understand, adding the box fan will then imrpove the overall airflow. And yeah will be cleaning everything. Its on during the day, 6:30 am -> 6:30 pm. Temps inside tent are around 16 to 23 C Yeah those features are a good reason to rather go for the ac infinity, will do some more research and consider my options. The secret jardin seems to have knobs to set automatic humidity and temp goals for it to keep.

I don't think your fan is so much of an issue that you need a new one. I think it's more of the airflow inside the tent. Make sure to do a proper clean with bleach before you start your new grow. Is your lights on day or night time? Haven't seen much of Secret Jardin inline fans but sure its decent I use their tent and love it. My reason for getting the AC Infinity with the controller 67 is I can set my temp and humidity triggers for the fan to speed up or down and when not triggered I can keep a constant negative pressure in the tent which I couldn't do with my Ram 6inch which only had a constant extract speed.

Eish ill look at getting that Bio sulphur next time. Guess for now ima just try to pluck all the pm and see how far i can get this grow. And ok ill look at a box fan well below the canopy it sits at 50-70%, peaks after watering. And above canopy never above like 60%, lows of 40%. The AC infinity looks great just a tad expensive, see some shops are stocking secret jardin inlines, any opinion on those? Or is it more worth it to go for the AC?

You going to struggle to get rid of that PM. AQ-SF is more to keep things at bay and prevent it. I would recommend Bio Sulphur and using it in veg never had PM issues since I've been using it. Also get yourself a box fan it moves around more air. What's your current humidity with your extractor? I went from my ram 6inch inline fan to AC Infinity S6 inline fan with controller 67 it allows me to control my conditions abit more than before.