Weird Curled leaves

Ok so heres the rundown. Plants are under a 250 watt light room temp never exceeds 80 degrees. Havent changed out soil for a couple grows so this may be my problem but some factors make me unsure. This plant has been in this soil for over 3 weeks now. I have added nothing but water bc i thought the soil might be a little hot in the first place. It has only began to show these signs over the past 3-4 days. There are 2 other plants in the same container that are just fine???? only the one plant is having problems. The leaves are beginning to curl inward and the serrated edges kinda look burned a bit. It is spreading from the top down to the lower leaves and now is beginning to overtake the secondary growth. its an autoflowering strain that has been flowering for about a week and a half now. Any help would be greatly appreciated. I have been growing for some time now and have changed nothing except strains everything else i have dont the exact same. I have looked through these forums and seem to find multiple answers for the same type of problem. From my experience it seems that plant problems usually work themselves out but so far no such luck. My concern is that i will begin fixing the problem until it breaks. My first 2 grows when i was younger i literally almost nourished my plants to death so i try to not add anything until im 100% sure of the problem. My first inclination is to add a super light feeding of CalMag. Any help would be appreciated. Here are some photos of the sickly plant.IMG_1851.jpgIMG_1852.jpgIMG_1853.jpgIMG_1854.jpgIMG_1855.jpg
 

KushCanuck

Well-Known Member
You nailed it in your post, they`re a little too warm up top. If the leaves feel dry and almost paper-y, then try a list mist every other day. I had the same thing with my girls right now and they`re doing just fine. You look good otherwise, typical heat curling. Keep it green mate,

KC :weed:
 
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