Curling "claw" leafs and plant turning light green. Help me save these two!

nathank

New Member
Hello, I currently have 2 plants they were quite happy until this point. There was an issue with calcium deficiencies a few weeks back, that was fixed and I sent my plants into the flowering stage. Now over the past couple of days, my plant is showing signs of what I believe is over-fertilization or root-burn.

For context, I am growing in coco coir. For feed, I use "gro big" garden fertilizer and "cali mag" calcium magnesium blend. (See nutrient labels attached) I use 3 tbs of gro-big and 8ML of cali mag per gallon of water. I usually water every other day and switch between purified water for one watering and the next watering I use the fertilizer blend.

I have a suspicion I am using too much fertilizer and ruining the plants, please take a look at the photos and the nutrient compositions and let me know what problems I'm experiencing and if there's a good way to fix the issues.
 

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spek9

Well-Known Member
Definitely over fertilization. Easily visible is Nitrogen toxicity, and you've got burnt tips too.

Dial back to half of what is recommended of everything, and work your way back up if needed.
 

nathank

New Member
Definitely over fertilization. Easily visible is Nitrogen toxicity, and you've got burnt tips too.

Dial back to half of what is recommended of everything, and work your way back up if needed.
Thanks you, should I consider flushing or only water for a moment? Or just use half amt of the fertilizer and continue regular schedule?
 

spek9

Well-Known Member
Thanks you, should I consider flushing or only water for a moment? Or just use half amt of the fertilizer and continue regular schedule?
I'd just reduce and continue on the regular schedule, but since I don't grow in coco, I don't know if flushing will help or hurt so I can't answer that.

With that said, what is your pH? That needs to be correct as well. Normally I recommend against changing multiple things at once, but in this case, if your pH is off, correct that at the same time as reducing nutrients.
 
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