looks like beginnings of potassium / magnesium / calcium deficiencies...
if aquaflores B is your P and K source... up that a bit... you are beginnging stage 3 Frame building... intensive nutes required... and it goes up even more at stage 4 : fruit / flower filling
potassium is the locomotive in a plant... it transports all the other stuff around the plant... so large amount sare required.
calcium is essential in building sturdy cell walls and resisting stress. it isnt mobile so it is needed heavier and heavier as the grow goes on.
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Thats going in my black book
