Curly leaves with some sign of deficiency

[Goget]

What can cause this?

 

[Frankster]

Need to see more than that, I think. It's a crap shoot. How about the plant in it's entirety, with a little info and background of what's going on there. ie. temps, nutrient regime, setting, ect...

 

[Goget]

Need to see more than that, I think. It's a crap shoot. How about the plant in it's entirety, with a little info and background of what's going on there. ie. temps, nutrient regime, setting, ect...

Plant on the left is in coco multiple feed per day at 800 ppm and 24/0 light on temperature at 27 Celsius with 1200 ppm co2. This picture is last week

 

[Aqua Man]

Plant on the left is in coco multiple feed per day at 800 ppm and 24/0 light on temperature at 27 Celsius with 1200 ppm co2. This picture is last week

Either to much heat/light or start looking for Mites.