Yellowing leaf Edges

[Newtoautogrow]

Looking for help on the pic below with the circul around the pic... The edges of the leaf seem to be going yellow and I have to idea what's causing it... All answers much appreciated

 

[namvet25]

What nutes are you using?

 

[Newtoautogrow]

Remo

What nutes are you using?

5 mls or each per 8 lr

 

[namvet25]

A few bottom older leaves will yellow somtimes but this is normal. makesure you ph your water at 6.5 and use cal/mag at every watetring.

 

[Waira]

...tips look a little cooked, nute burn style,... do you take a ppm reading before feeding? Circled pic, looks like a possible micronute defc. starting, need closer pics please,...