heat stress?

can somebody confirm this is heat stress? i have 12 babies under my 600w. it only seems to be these 3 AK47's that are like this.

i thought it was under watering, then i thought over watering then i realised that the fan had been in a different location so these were not getting any air movement.

i have moved the fan so its pointing at them now. if this is heat stress will the fan relocation help these recover?

if any1 has any other input that'd be great.

edit: also i moved the light up abit just to help abit more with the heat

The photo on the right IS eat stress, just keep the air moving and heat flowing away from the plants. It will be fine. Good night

yup thats what it looks like to me i had the same thing happen to mine under a 400 watt hps eventually i had to move them under some flouros

ok thanks alot guys. as i said i moved the light abit further up and put the fan on them. hopefully they'll be ok soon.

i agree. i will say tho, its not a problem with the leaves being too hot its the roots. When they are in small pots like that when they are young the sloil heats up faster in turn heating hte roots. if u put a peice of a paper plate over yor soil to block the heat from the light u may be able to keep the light closer.

i may snap a cd and put that round the stem so the light doesnt hit the soil.

seems abit weird that its only my AK47 that have the problem. super silver haze,blue cheese and blueberry are fine.... :s abit weird

Some people are different :/

I had to do that with my baby before. I used some part of some box. ghetto fab style.