Help with sick plant

Can anyone help me identify what might be the issue with this girl? She is the only one showing these symptoms. It is ony happening on the inner and lower leaves not on the outer or upper canopy leaves.

Currenty they are just in FFOF mixed with perlite and have been getting compost teas and plain ph'd waterings.
a few top dressings with EWC and Kelp but i dont know why she is the only one with leaves like this.

The leaves feel grainy and a bit bumpy and dry.

They are under a 315 lec in a 2x4x5 tent

Dee Muney said:

Can anyone help me identify what might be the issue with this girl? She is the only one showing these symptoms. It is ony happening on the inner and lower leaves not on the outer or upper canopy leaves.

Currenty they are just in FFOF mixed with perlite and have been getting compost teas and plain ph'd waterings.
a few top dressings with EWC and Kelp but i dont know why she is the only one with leaves like this.

The leaves feel grainy and a bit bumpy and dry.

They are under a 315 lec in a 2x4x5 tent

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What type of water are you using? And at what ph?

Dontjudgeme said:

What type of water are you using? And at what ph?

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Been using mostly RO water that I’ve been PHing to about 6-6.5 using GH PH test drops.
Ive has to bring the ph down using citric acid each time since it naturally is at about 8.5

I use ph up and down by GH. Also, since you are using RO water, might not be a bad idea to start using some calmag with your waterings. Both distilled and RO water doesn’t contain anything beneficial to the plant other than keeping the soil wet. Been there, done that, hard lesson learned. Once I started using calmag with distilled or RO water, all those problems went away.

Dontjudgeme said:

I use ph up and down by GH. Also, since you are using RO water, might not be a bad idea to start using some calmag with your waterings. Both distilled and RO water doesn’t contain anything beneficial to the plant other than keeping the soil wet. Been there, done that, hard lesson learned. Once I started using calmag with distilled or RO water, all those problems went away.

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I’m trying to avoid the bottled nutes sinc I’m going to be running an Organic amended super soil Mix. I do have Epsom salts I was going to use for cal mag .

I only grow organically with amendments. Fortunately I use tap water so calmag isn’t necessary. Epsom salt only has magnesium in it, you still need the calcium, which epsom salt doesn’t have. Might not have a choice but to go the calmag route if you continue to use RO water.