I have a 8 plants in different stages of flowering, and all have been attacked by a white powdery mold/mildew/fungus?? wiping doesnt seem to work and its spread to the top of some of the soil, have i lost the harvest or can i spray it with something??
I backed off on watering because the soil seemed to not be drying out, so now i dont water very often because the soil is wet but they seem to show signs of underwatering
I have a small soil grow going with all different strains, they are about 4 weeks into flowering, they are on 12on/12off a 600w HPS light, temp is around 70 during the day but i think it drops to almost 40 at night, but right now i have no way to up the temp unless you guys have some ideas, the...