Tips burnt and brown spots.

mushroomcookiedough

Active Member
Hi! This is my 7th? grow, and a week or so ago, one of my plants started showing signs of distress. Now it has progressed into the following picture, and a few other plants are showing early signs of the same distress.

I am using a heavy-fertilized soil, and during veg the leaves were very dark, and I didn't start using nutrients until 2 weeks before flower - and I am also using lower amounts of nutes that what is recommended on the bottles. (due to the highly fertile soil).

I am not sure if this is happening due to deficiency or toxicity - would love any input.
Besides this the plants look super healthy. They have become a little more light-green the last few weeks, making me consider if they are slightly malnourished.
Using the advanced nutrients complete lineup (grand master lineup) - with about 1.5ml/l of the base nutrients feeding once a week. (1 of 3 waterings per week)

Screenshot 2021-11-17 at 16.58.46.png
Screenshot 2021-11-17 at 16.58.30.pngScreenshot 2021-11-17 at 16.58.09.pngScreenshot 2021-11-17 at 16.58.18.png
 
Looks like a ph issue or toxicity problem which can be closely related

But your spots. Looks like a spray or a splash of nutrient rich water. Then the light fried the liquid spot. But others with more level of knowledge will chime soon
 
The dots follow the veins,I dont think its bugs,calcium and potassium are together with magnesium I think?Ill check but my guess is something with those 3.
 
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