New Grower led and burnt tip on fan leaves

[flynfish]

hey guys I need some help. 2nd grow running krippleberry starting 3rd week and leaves are burnt looking at tip. I didn't have this on first grow. could it be nute burn, the only change is using led now vs cfl on last one. temps have been between 75-82 and rh of 40-50. thx for the help.

 

[Muddy]

Most likely nute burn. If it were a problem with the lights being too strong or too close you would see bleaching on the top most leaves. What kind of soil are you using? What nutrients are you feeding, how often, and at what strength?

 

[Animatey]

hey guys I need some help. 2nd grow running krippleberry starting 3rd week and leaves are burnt looking at tip. I didn't have this on first grow. could it be nute burn, the only change is using led now vs cfl on last one. temps have been between 75-82 and rh of 40-50. thx for the help.

You might have magnification burn. If the leafs touch each other a lot, you will find little spots of sweat on them. Under an LED these magnify light and torch the leaves. I had to trim off some leaves, and increase ventilation. I have a fan now blowing up through the canopy and the whole plant is shaking lightly. That seemed to put a stop to it.

Pictures would help distinguish between light burn or nute burn.

Good luck man!