i don't think you mentioned ph in your post. go get a ph meter and correct your water / nutes before you water. 6.3 going in. I keep hearing to not stress about what it is coming out.

I doubt the Cal Mag has anything to do w/it as long as you are 10ml/G or less or your water is really hard to begin with.

next time use sunshine mix or fox farms instead of the pre-fert stuff as that's harder to control.
copobo Reviewed by copobo on . TRY TO IDENTIFY THIS NUTE PROBLEM! With Pictures For Your Viewing Pleasure... Hi everybody. I'm really hoping someone can help me identify this problem. I have read countless posts, talked to several hydroponic store owners, and read lots of information on how plants and nutrients interact. After tons of horticulture research I have a suspicion of what the problem is, but after screwing things up already Iā??ve decided to ask the community for advise on what to do. I have seen many pictures of marijuana plant problems, but I have never a picture that looked like what Rating: 5