my plant is about 3 weeks i water about every 2day
i used big grow for the first time about 3days ago and my leaves are getting brown spots and turning yellow
i dont really know what to do can someone help me out
my plants are about 1week old. i am using 4x 42 watt putting out 2700lumes each. i am useing miracle-gro potiting mix. i have a fan that i need to put on it i dont know really where i should have it blowing.
any input on this would really help