Forst day of flower after a 24 hr of darkness period n notices this

SkyFox

Active Member
78°f. Humidity 55%
Coco coir n perlite
First day of flower
Sf4000 about 2 ft above plants
I notice this yellowing on , only new growth on all my plants
Any advice? Just noticed it 1 hr ago after i switch lights on after a 24 hr of darkness
 

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Mine did that too a bit with a sf2000, think I had it at 12” from canopy, moved it up to 18”, seemed to help. I was also battling fungus gnats at the same time so was more worried about them.
 
Mine did that too a bit with a sf2000, think I had it at 12” from canopy, moved it up to 18”, seemed to help. I was also battling fungus gnats at the same time so was more worried about them.
Ok ill move them up 18in n see if that helps but weird thing it happened while when it was dark. Cuz when i lollipoped , they were all green
 
Im using ro water it only has 21ppm, ill give it alitle extra iron n sulfer to see if it helps, just question. U dont thing its normal cuz of stretching?
No there is nothing normal about your situation. It’s reminds me of problems withRO. Either mg ca or iron working together or against each other if the rations are wrong.
 
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