Looks like nute burn to me. Flush
WashougalWonder Reviewed by WashougalWonder on . 2 WEEKS INTO FLOWERING FAST DYING LEAVES!!! HELP!!! What type of medium? Soil What brand and type of soil? Fox Farm Ocean Forest Indoors or outdoors? Indoors What strain? Purple Kush From clone How old are the plants? 2 Weeks 3 days into flower What type of lights and how many watts? one 4 ft florescent 4CFL about 16,000 Lumen How far from the lights?4" What is your watering frequency and source of water? Water whenever soil feels light and dry use RO water What, how much and when was it fed? General Hydroponics Maxi Bloom 5-15-14 What Rating: 5