Leaf issues - What is it?

[Wolfenstein]

Running NFT System 60 litre tank noticed some of my leafs are getting some different colours on there. What's going on with these people?

My ph is usually between 5.8/6.2 I always check every day to keep an eye on it, my EC on my blue lab comes in fine.

 

[Wolfenstein]

 

[dj1714]

Photo Gallery Guide - How to Resize, Upload & Post Photos

This will help you upload you pics here on the site.

 

[Wolfenstein]

Photo Gallery Guide - How to Resize, Upload & Post Photos

This will help you upload you pics here on the site.

I'm using my phone and the app to post this so hence why I had to host the image to be posted.

 

[Rifleman]

Mostly on the lower, older leaves ? If so I'd suspect a Mag deficiency, especially if under LED lights. Take that with a grain of salt though, you haven't given us much to go on.

How to Ask for Grow Support

 

[Wolfenstein]

Mostly on the lower, older leaves ? If so I'd suspect a Mag deficiency, especially if under LED lights. Take that with a grain of salt though, you haven't given us much to go on.

How to Ask for Grow Support

Yeah seems to be mostly on the lower. NFT under 600w light not led now. I was thinking mag def