Mag deficiency?

Seems Moby Dick needs some Magnesium. If I treat this with CalMag (growing in soil) will this stop or reverse the leaf deterioration or is it too late once the leaves are affected? Thanks.

If they are too bad then no,leaves do not repair themselves.

Ok, seems I caught it pretty early so hopefully the CalMag will take care of it. Thanks

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Yeah I battled a mag/cal deficiency in the begging of my hydro grow. Just keep a eye on new growth. Also what kind of water you using?

Hi! I’m using rain water pH’ed to around 6.5, I water every 2-3 days when the first inch (2cm.) or so feels dry.

Had Mag problem last grow using leds. Caught early and turned it around with dose of epsom salt and lime. Then started using a little cal-mag. Leaves came back fine.