What do you guys think?

Here is a link to my grow journal if you need more information, https://www.rollitup.org/grow-journals/559980-my-first-grow-400-watt.html

Okay so I'm at about 6 weeks flowering and i believe I've run into a problem, looking back at pictures it seems to me like the problem has been progressing for a while but i hadn't really noticed it, i haven't had as much time as i would like to spend with my plants as of late. If you look at the top 2 pictures of both of the plants you can see the bright yellow spot in the middle, well that's not just from the HPS's foot print the leaves in that area are yellowing severely, around the edges out side of the hps's foot print the plants seem to be growing fine but inside the foot print the leaves have purple stems they are yellowing very badly on both plants and the blue cheese's leaves are curling upwards. What do you guys think is going on here, its a 400 watt hps in an air cooled hood and its probably setting at 1 foot away.

I know that its hard to see the yellowing with the hps on but in my pictures if it looks bright yellow it is, the green shows up pretty well on the leaves that are actually green, thanks for any help in advance.

Here are some pictures of both of them,




here are some pics of the White Russian,
















And here are some pictures of the Blue cheese.

I have also noticed that the plants do not seem to be growing that much vertically, when i first flipped the switch to 12/12 the plants stretched quite a bit for a few weeks, i kept tucking them under until they slowed down, but since the initial stretching ended it seems like they are barley growing upward at all.

2 weeks


3 weeks


4 weeks flowering


6 weeks flowering

Think the vertical part of the grow is nearly finished. And that's OK. Looks like you'll have a nice yield. GL

Thanks for the response man, every thing look fine to every one else?

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Looks like you have a slight hotspot. Check your distance on here and see if it's optimal

Hmm i believe my light is setting at about 10-12 inch's above the canopy i will check it when the lights come back on.