Deficiency?

S

Sup Im BirDy

Well-Known Member
yosim said:
it certainly looks like the classic Ca deficiency, maybe the Ca is being locked out ?
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What would lock it out other than pH

edit: I’m going to go ahead and say I have a calcium deficiency but might’ve burned her in the process
 
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Y

yosim

Well-Known Member
Sup Im BirDy said:
What would lock it out other than pH

edit: I’m going to go ahead and say I caused a lockout with Ca by thinking I had a deficiency and added cal/mag then I amended the soil with some cal/mag dry amendments (oyster shell, kelp & worm castings). Learning my friends
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i don't know - even stranger if your other plant is fine - the leaves with the rust spots also seem really dark green like overfeeding, excess magnesium can also cause a lockout
in cases like this i just do a flush of the plant and then start feeding again with about 1/4 strength nutes
 
S

Sup Im BirDy

Well-Known Member
yosim said:
i don't know - even stranger if your other plant is fine - the leaves with the rust spots also seem really dark green like overfeeding, excess magnesium can also cause a lockout
in cases like this i just do a flush of the plant and then start feeding again with about 1/4 strength nutes
Click to expand...
I’m growing with dry amendments, should I still flush or just let it dry out. I honestly think it’s too much cal/mg. Also she’s looked like this her whole grow. But shoot she has a week left so hopefully she makes it
 
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