Too much light? Or other issue

Armyofsprout

Armyofsprout

Well-Known Member
I had a plant battling potassium deficit which I combated with soluble langbeinite in order to feed it some quickly and also keep my grow organic. I think it's stalled but on all my plants including the other ones the leaves are starting to get this light green pattern on a the edges. Is this a nute problem or a light or heat issue? I did top dress with dolomite probably like over a week ago and maybe that did it. I don't have money for a good soil ph tester and the probe one works for moisture but sucks for ph readings. But I think it's just light bleaching. I turned my light down as well.

I'm Using soil mix of FFOF, FFHF, COCO LOCO, PERLITE, little dolomite and EWC

I have an HLG 360XL in a 2x4 and temps hit around 86 with the lights on.

Been top dressing every 30 days with down to earth dry amendments 4-4-4 and 4-8-4 mixed.

Brewing a weak tea tonight as well. Any suggestions? I can't flush because this is a grow using no nutes just microbes and amendments
 

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CannaCountry

Well-Known Member
You look short on Mg, but you've also noted that you top dressed with dolomite, which contains high %'s of Mg and Ca. It might be best to let this break down and work a little before throwing much more at the canvas. All things being equal, I'd say foliar feed some Epsom and call it a day...but you're in flower and, as I mentioned, you've already thrown Mg their way, so maybe patience is the word of the day for now. Good luck.
 
Armyofsprout

Armyofsprout

Well-Known Member
CannaCountry said:
You look short on Mg, but you've also noted that you top dressed with dolomite, which contains high %'s of Mg and Ca. It might be best to let this break down and work a little before throwing much more at the canvas. All things being equal, I'd say foliar feed some Epsom and call it a day...but you're in flower and, as I mentioned, you've already thrown Mg their way, so maybe patience is the word of the day for now. Good luck.
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Yeah that's what I figured. I was thinking it may be MG. I know I was starting to see signs of calmag Def before so that's why I top dressed with dolomite. I just hope the ph wasn't affected.
 
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