When should you start doing a foliar spray (karaja, aloe, etc...)? How old? A couple of weeks? thanks
Start spraying at day 4 in your clone box. This is when you should start preventative spraying all the way through their whole life. I suggest Trifecta Boost and Trifecta Crop control at a rate of 2ml per gallon each, you can even go as little as 1ml per gallon or as high as 3ml per gallon. Organocide at 1oz per gallon kicks butt too and hasn't killed anything either. I always start at 1/4 strength of the label and find it works great on clones and for frequent spraying without burning anything as well. Always spray with lights off and allow to dry at least 30 minutes before turning on a light 2 hours to avoid any mishaps, 30 minutes is pushing it for sure.