i had something like that happen to my babys and it turned out it was a magnesium difficency i went to chemist and got some epsom salts and added half a teaspoon of it to 1 litre for spraying the plant with when it goes into the dark cycle i also fed some of it thru the soil and you could see the results the next day
cheers hope this helps good luck m8
busteruk7 Reviewed by busteruk7 on . PLEASE HELP my plants r in dieing need of trasplanting and im doing so rit enow i would liek to know if you dont give the roots room to grow can the plant start to die becaus thats what i think is happning to my plant i havent seen new growth in days here are soem picsthe last pic is of my best one and u can see this other plant that has thease light green spots and id liek to fix them ALL HELP IS GREATLEY APPREASHEATED Rating: 5