Nitrogen toxicity????

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Nicholls93

Member
so I’ve noticed one of my plants looks like it’s got nitrogen toxicity.. I’m using canna coco a+b and calmag I’ve stopped giving calmag was giving 2ml in 3 litres of water but she still isn’t going lighter, can I use less of the a to lower the nitrogen even more? or does a+b have to be the same ratio? I’m week 2 into flower my ppm I’m putting in is around 1000-1100
 

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spek9

Well-Known Member
Are you feeding according to the nutrient manufacturer's recommendations exactly?

After week 2-3 of flower, the plants require far less N than in veg. Your nutrient label should show mixture amounts for veg and flower. Most often, manufacturers recommend way too much product (they do exist to make money after all), so mixing at their levels is almost always too much.

When I used GH Flora, I very rarely had to mix higher than 2/3 of what they recommended.
 
Wattzzup

Wattzzup

Well-Known Member
Run a couple gallons of ph water through slowly.
Have you checked your run off it’s probably crazy high.
 
TreeFarmerCharlie

TreeFarmerCharlie

Well-Known Member
Dark green shiny leaves is a pretty clear sign of too much nitrogen but it looks like you caught it before it got really bad and started clawing.
 
Bernie420

Bernie420

Well-Known Member
Nicholls93 said:
Yeah it’s always 100-200 higher gonna give her a flush then
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100-200 higher is nothing to worry about in regards to the run off ppms.

Your main problem imo is that your feeding it 1100 ppms when you should be about 600-700 for week 2 of flower. so yeah flush it out renute at a lower ppm and add back the microbe population you're flushing out.
 
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