its over fertilization miricle grow is very hot it is ok if you use 1/2 strength, no more. start off at 1/4. you nedd a fert near a npk of 10-10-10 for veg and 10-30-10 for flower and always start with 1/4 to 1/2 percent dose.try to get two 26w cfls at least on each plant.