What is wrong with this plant

New to growing and something is wrong... imagine that
Here are the pics. I havent done anything different so i dont know whats wrong...Thanks for any help

Mag deficiency?? What is your soil mix and what are you using for ferts?

Vi

I am using fox farm ocean grow soil, fox farms ferts. I am using there schedule on when to feed them. So what should i add for mag defancy? Thanks for your help

I think you can use dolmite lime, but get a second opinion from a more experienced grower, I'm still a rookie.

...yup thats a mag deficiency and yes dolomite lime will solve it...spread a half cup or so onto the soil and water it in...you should see results in a few days...
EIP

Yep, magnesium deficiency. An alternative solution is to put 10ml of epsom salts (get from any good pharmacy) in a pint of water and foliar feed once or twice, not forgetting to spray with pure water the following day to wash the leaves and aid absorbtion. always do this just before lights off or if outdoor just before the Sun sets so as to avoid burning the plant. Some growers as a matter of course spray their plants with this solution a day or so before initiating flower so as to avoid problems like hook bud. After all, provention is better than cure.

Doobie006 said:

I think you can use dolmite lime, but get a second opinion from a more experienced grower, I'm still a rookie.

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Use 1 tsp. of epsom salts to your fertilizer for magnesium and sulpher minerals