brown leaf

Let me just start off by saying the past two weeks haven’t been the kindest to the girls but I’ve been doing my best. Between an impromptu move, a tragic spell of sickness (Not COVID related thank God) and being a beginner I’m a little lost here. Four autos in coco/perlite/cocoloco mix. 240w KB...

Hi, I have a plant that’s been growing about 6 weeks now, my first attempt at this. There are recently leaves that are concerning me as they look very unhealthy. I am wondering what I can or should do to resolve this. I have added a few pictures to help, here you will also see a lace helping to...

seems to be common but this is my first grow and everything was growing great then in the last week started getting yellowing on the leave tips. Using LED 60w lights 12 of them in a grow box with fan blowing out and hole cut for incoming air. Temperature is 75 and humidity 40-50. They are...

I have 6 clones, 3rd generation White Widow. They're in I believe 1 gal. pots right now. Watering about once weekly (once they finally dry out). Happy Frog soil with about 40-50% perlite. Using Dyna gro nutes and cal-mag plus, alternating between waterings from nutes to just cal. with pro-tek...

My 3 week old bag seed seedling is small and it's first set of true leaves went brown and I cut them off then it grew fine then the new growth came through fine and was growing okay but the next set of leaves are going brown I moved the lights up yesterday but it looks worse today the plant has...

I have a 3.5 inch seedling in a 5 Gal bucket. 75 degree temp 40% humidity. Happy frog soil using distilled water at grow room temp. 6.8 to 7.0 PH level and no nutrients. There are almost white spots on some leaves. From tip half to to the base of my top leaf is a light brown. I'm using a full...