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Hey DGC love the show love the knowledge. I’m growing organically in 60/40 coco perlite mix. I amend with chicken compost and kelp meal, with weekly Cal-Mag, Recharge and Mammoth P applications. Everything looks great. In flower I top-dress with Happy Frog fruit and flower. In week three of flower I start to add Bio Bud for a PK boost. I’m in week 5 of flower and am starting to see a cal-mag deficiency.  Is this a lockout? Is this due to the PK boost? If so how can I avoid this in the future?  Oh buy the way this is an auto flower grow, don’t know if that makes a difference. Thanks TC.