Needle size rust

[Karrotdan]

Rust spotting? As progression happens worsens on veins...purple stem...small needle size spot?

 

[Richard Richardson]

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

 

[Karrotdan]

Thanks for the tip....can't download pics....internet from my phone.....

 

[Densenug]

Guessing game with out pictures and more info.

 

[Karrotdan]

Can't do pics.....using my phone... Useing advanced nutrients sensi grow. B52. And calmag.....ph 5.9 ppm 820... Just changed water...its in a dwc system...and strain specific....the black....its not affecting the lemon skunk in same res.....middle and older leaf showing it...starting at end of leaf and working its way down to stem...the worse leafs, its bothe interveinal and in the veins.....but starts as interveinal..... And there really needle size....well starting out that way... The worse leafs are starting to curl and twist at the ends....I thought a calcium def but I changed the water and added calmag and its still getting worse....any ideas?