hi all just got some problems with my lemon have just started ph'ing to 6.5 never ph'ed before in my grows and i am getting rust spots, and new leaves are growing very thin and going yellow too can anyone help im using plagron royal mix no nutes as of yet apart from a few doses of cal mag and some bat mix added at the end of week 1 as you can see its the left one mainly thats showing the problems any advice would be appreciated many thanks
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