Bud if you hit it with eagle 20 only do veg and make sure not to spray them a week before you flip them.....really need 60 days or so to get most of it out....it will leave a carcinogen behind but it is very minimal....but that is a concern if your sharing your meds. Best case is to just spray them down really good wait three days and hit them again good and then let them grow out and take cuts and throw the mother away.....that cut will still test positive, but its a good way to save prized genetic's. Also keep the room between 72-76f and drop the humidity below 40% while your fighting it. I have a rule, if i see it in veg i treat it and then quarantine it...if i see it in flower I pull the plant and destroy it before it gets the others sick too. If i have three weeks or less i will hit it with 1tsp dish soap and 1 tbsp of baking soda per gallon of water and give every spot and a good area around it a shot....try not to get it on the buds it will make them taste / smell funny.
If you have to clean it off the plants at harvest, call me. I'll walk you through it, it's a three step process but it can be done and the weed saved for the most part. I hate PM, it really sucks you got this on your hands. The only thing i have found to kill it is Eagle 20...but it's really expensive...a pint container is close to 300.00 US. Peace
Use 20 drops a gallon for your treatments