Please help! Leaves turned yellow

Anchkee

New Member
Hello! This is my first time growing. I have three baby plants (all of them auto, different strains) in the same indoor environment (light, soil, temp, etc.) One of them is healthy and fast-growing. Another is healthy too but it grows way too slowly. And the third is OK but leaf tips are light green. Yesterday I noticed slight invaginative deformations in these areas and today I saw that they turned yellowish-green. I have CFL lights which isn't too close to the plant so I don't think its light burn (just as I reckon)
 
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Here's Pic!! thanks in advance
 
Good job catching that early-on! Definitely a nutrient problem; what are you feeding your plants?

1. pH of your nutrient solution (water)

2. Biggest mistakes made by new growers (Over water, over-fertilize, lights too close)

3. Share what base soil you're using, what nutrients you are adding and in what quantity; just make it as descriptive as you can

4. More pictures, this stuff is like pornography to me, more the better!

I'll be checking in on your progress!

Best of luck, :passitleft:
 
That there in the pic is a fungal growth of some kind. If you mist your plants then stop. No need for misting plants. Bad air circulation is another cause as is high RH coupled with higher temps.

Make sure there is enough air flow around so the leaves flutter a bit. No need for direct blowing of air on the plants as that can be bad for them too.

Keep an eye on those spots and cut out the bad areas with clean, sharp snips if it seems to be progressing. Sterilize the snips before and after with a little iso or an alcohol towelette. I'd just snip half the leaf off below that spot on the right in the pic. No great loss as that leaf will end up dead as the plant gets bigger anyway.


:peace:
 
but I don't use any additional nutrients. I have cut off these damaged areas and it doesn't seem to spread anymore. I think it was light burn :((
 
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