Tips starting to turn lime green

ive had the same problem and no one has gotten back to me.

 

I think it could be one or more of several problems:

I used these 2 sites quite often when I first started indoor growing. Maybe they can be helpful.

http://www.marijuanahydro.com/solvegrowingproblems.html



http://weedseedshop.com/cannabis_growguide/

 

If the plant cant produce Chlorophyll then it could be MG deficient, are they very lime green.