Deficiency Help

G

Ghost34

Member
Hi All,

All was going well until this one slowly creeped up and started taking over, it hit half of my plants.

My guess is calcium deficiency

thanks all!
 

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Ghost34 said:
Hi All,

All was going well until this one slowly creeped up and started taking over, it hit half of my plants.

My guess is calcium deficiency

thanks all!
Click to expand...
Definitely looks like a calcium def....you try giving them a dose of cal mag ..what's your Temps running in your room
 
mr.sessemia said:
Definitely looks like a calcium def....you try giving them a dose of cal mag ..what's your Temps running in your room
Click to expand...
Yes I upped the cal mag but it didn’t seem to help, temps are 24c day 18c nights. Starting to think I’ve had Nute lock out as my run off ec was .4-.6 higher than input
 
You might want to raise the night time temps, if its 18.C at the canopy, its about 16.C at the roots which is cold.
You want the roots above 20.C at all times and they should start looking better
 
HydoDan said:
How much do you feed? Looks overfed..
Click to expand...

Curious as well, the yellowing I see looks like savage nutrient lock & burns. I’d push a lower PPM (don’t flush imo yet) step them down slowly try to unlock some clean water flow to the leaf tips. If it was just cal issues, idk that they’d crisp out so violently. Looks like no water to process with high chemical content.
 
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