hi any fluid on leaves with the intense heat and light of grow lamps is prone to burning, water absorbs heat and concentrates it also magnifies it, spray when lights are off or raise them till dry, any chemicals in the water can concentrate and crystallize and burn leaves.i have done the same as you with neem u should have taken the plants out and sprayed them with a mist from hose,then raised the lights. using detergent can b toxic,don't use it! cut off the burnt parts and baby the plants ,feed them immune boost organics, raise lights etc.i saved my plants and got rid off the spider mites for good by accident by spraying neem into the soil with no detergent! the spiders r gone for good within 2 weeks no bad effects on plants.neem is a
systemic spray.spray under the leaves .then no burn!
1olddog Reviewed by 1olddog on . Severe Neem/Light Burn... perservere or start over? I'm a semi-experienced medical mj provider for several deserving patients, doing my best but still locking down certain aspects of my technique..... I'm into my third large grow, all has been going smoothly. However, I recently discovered some spider mites in my flower room (low population), destroyed the plant they were affecting most, and treated the rest with a foliar spray of neem, wetting agent (dawn) and H20 (not ph'd--oops?). The problem is that in my mini-freakout over the mites, I Rating: 5