totally strange. same soil, lighting, watering etc. and one is going strong and the other looks a little brown. What type of medium; soil or hydro? 3/4 tomato mix, 1/4 perlite What brand and type of soil? Indoors or outdoors? indoors What strain? white skunk How old are the plants? 2 weeks What type of lights and how many watts? 2 x 48W cfls, 1 x 400W hps (in cool tube) How far from the lights? about 3 ft What, how much and when was it fed? NPK? 50ml rain water today. no nutes yet What is the medium/runoff pH? 6.4 What are the temps and humidity in the room? 26C, 40% RH What size pots? 4L pots Any bugs? Look real close. nope Any other pertinent info? ignore the mutant leaf close to the camera. that happened when it didn't shed it's full shell properly. any ideas what could be the prob?