Whitewidowuk
Active Member
Hi guys what is this am 7 weeks into flower
Deficiency
- Thread starter Whitewidowuk
- Start date
Hydrotech364
Well-Known Member
Looks more like something was spilled...
Whitewidowuk
Active Member
It’s not that friend it’s only on certain plants it’s the top 3rd of the fan leaves...
Whitewidowuk
Active Member
Here they are
Attachments
Boron is what I thought as soon as I saw picture without even looking it up 
Check it out
www.growweedeasy.com
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How to fix Cannabis Boron Deficiency (B) Pics & Symptoms
Boron deficiencies are rare and appear as brown blotches in the center of leaves. See what a cannabis boron deficiency looks like and learn how to treat it!
www.growweedeasy.com
Whitewidowuk
Active Member
Can I add boric acid ??Boron is what I thought as soon as I saw picture without even looking it up
Check it out
How to fix Cannabis Boron Deficiency (B) Pics & Symptoms
Boron deficiencies are rare and appear as brown blotches in the center of leaves. See what a cannabis boron deficiency looks like and learn how to treat it!
Whitewidowuk
Active Member
Just use tap water.. al my other plants are fine it’s just 2 of them
It's Ca but why is up to the OP to figure out
Whitewidowuk
Active Member
There in week 7 off flower
Flowki
Well-Known Member
Somebody may correct me but if it is a calcium def then it is likely too late to act now, at-least from the info I've read on how and when calcium is used.
Regardless, post what soil mix or nutrients you are using and people will be better able to help you avoid this issue next time.
Whitewidowuk
Active Member
Yeah thanks I have calmag I’ve been giving them that for 3 weeks... think al use it from start next time