Centre of leaf browning/dying on only a few tops.

goatlicker

Well-Known Member
3 weeks into flower, this started happening on a few of the tops.
Under 400w hps @ 18inchs, 21c-25c lights on.
 

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could you have dripped something on it,or light bleaching??

It does look a bit like that but the others aren't getting it? I raised the light a bit to see if that helps anyhow.

Looks like a calcium magnesium issue to me
Try to get your PH down to 6.2 to 6.5

I'll add some cal/mag next feeding and ph lower than usual. I'd already added cal/mag about a week n half ago.

Good chance your soil ph is drifting up so just start using water at like 6.3

Mm, no worries. Will try that thankyou.
 
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