Copper style burning on the edges - Flowering Week 2

R

Royal Farts

Active Member
Can someone identify this? Is it nutrient/ph based? There are maybe half a dozen leaves with it at this point.

Only thing I can think of is that it could be the light slightly too close - recommended 60cm (23") but I'm at about 45 (17") - so I've turned the light strength back to about 65%

Also FYI to the internet in general, this is actual fucking scrog, the amount of internet mislabeled 'scrog' these days where its just 3'+ tall lollipop plants using the screen as weight support is ridiculous.

Strain is 818 headband and is a bit more needy/wimpy than my previous afghan kush X black domina grow. Tent is 0.8m, screen is about 0.6m (2'x2') and never fully fills out, generally get about 6oz.
 

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It did drop down in to the 4s for a few hours unnoticed last week it may just have manifested in the days following and look bad to my eye.

I can't identify it on any of the charts floating about google images though
 
I agree that a few bad leaves shouldn't be cause for concern. The whole crop looks a little light green to me. Your nutes may not be in an optimum balance.

You didn't keep your afghan kush/black domina? I have run it a few times now and can't decide if it's a keeper or not but some people LOVE it and keep asking for it.
 
70's natureboy said:
I agree that a few bad leaves shouldn't be cause for concern. The whole crop looks a little light green to me. Your nutes may not be in an optimum balance.

You didn't keep your afghan kush/black domina? I have run it a few times now and can't decide if it's a keeper or not but some people LOVE it and keep asking for it.
Click to expand...

I just do 1-2 at a time from seed so not an option for me to keep them about, I would grow it again, enjoyable end product and showed no deficiencies with the same shit nutes I'm using this time around.

Using the outdated Dutch Master advance part A and B with another product Pro-PK professional potash which is p13% k15% at 1ml per 1L.
 
MrGreenFingers99 said:
Look like potassium deficiency

www.growweedeasy.com

How to fix Cannabis Potassium Deficiency (K) Pics & Symptoms

Leaves with a potassium deficiency have yellow, brown, or burnt edges and tips. It may look like nutrient burn, but the leaf margins also turn yellow.
www.growweedeasy.com www.growweedeasy.com

Edit: ooops @CannaCountry already pointed this out, I agree!
Click to expand...

Thanks this is exactly the type of page I was looking for, I missed my PK additive in the first week of flowering so it very well could be that
 
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