First grow problems!

B

buzz128

Member
Hello,

This is my first grow and I need your help please!

My plants are turning yellow from the bottom of them, I have been looking in the forum about this but I'm really not sure what the problem is.
The PPM is 450 and PH 5.1 to 5.9, I'm using Mh400w and LED 180w 18/6
seeds: ak48 and wonder woman.
I had problems with my germination technique so that is why I have 1 plant that is older than the others but they all have the same problem.

I got fungus gnat so I used h2o2 and goGnats about 4 days ago and they are gone.

I'm using organics fertilizers: CSN17 grow and liquid karma

(Sorry for my English)
 

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BeaverHuntr

BeaverHuntr

Well-Known Member
How much are you feeding them and how old?? Looks like they are eating the stored nutes ( nitrogen ) from the lower leaves.
 
B

buzz128

Member
I'm keeping them at 500PPM the biggest plant has about 3 weeks and the rest of them are 12 days old.

Thanks for your help.
 
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