What’s wrong?

Voodu

Voodu

Well-Known Member
I have had plants do that on me too. When I take the PH on them, it always turns out to be off. I grow in soil and without electricity, so I have never had to deal with heat stress from lights, but that looks exactly like a plant I had that had a PH that was off. To fix it, I gave her 7 liters of 6.5 PH tap water, when she needed her soil watered. I used a PH meter and bottle of Phosphoric acid (both purchased at a hydroponic store) to adjust my levels.
 
Medicated Bonsai

Medicated Bonsai

Well-Known Member
If you're using quality soil and it's healthy, then the pH shouldn't be an issue.

This looks to be a heat/moisture problem to me. Is your grow area really dry and hot? Leaf's usually do this if they're perspiring faster than they can intake water/moisture.
 
Logan Burke

Logan Burke

Well-Known Member
Looks like some really hardcore heat stress ya have there...extremely low RH can also compound the issue of heat stress and make your plants more vulnerable to it. I'm sure that it's possible a nutrient problem is present...but my money is on heat and humidity stress.
 
Sawzall77

Sawzall77

Well-Known Member
thanks. could be heat/humidity stress but none of the other plants have it. they are outdoor plants. ill try moving it out of the direct sun for a week or so. all plants receive same ph and notes. its weird the same strain sister to doing great.
thanks again for the tips all.
 
Logan Burke

Logan Burke

Well-Known Member
Yes that is pretty weird. I know that particular nutrients, such as mangesium and calcium, can cause a plant to be extremely vulnerable to heat and humidity stress when it is deficient. But I just don't see those symptoms in your plants. Maybe a vet will chime in with their opinion, but until then let us know how the reduced direct light affects your girl.
 
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