Yellow Growth

[SeedlessOne]

Ok guys problem is just getting worse. Ive been foliar and feeding epson salts. Could this be a zinc problem. My PH is ay 6.7 and Zinc Deficiencies are cause when the PH is to high, so Im all outta ideas...

[bejay]

what type of nutes are you using and how often and are you growing in soil?
could be a zinc or iron deficiency as there is several that have the same symptoms, magnesium deficiency usually has a few leaves curling up at the tip wich I dont see any of yours curling up.

[SeedlessOne]

Im using my trusty fox farm products, every other watering..the same method that has given me great results I am all outta ideas, please help lol!
The new leaves are looking pretty small compaired to normal leaves....that is why im leaning to zinc.