Ebb and Gro over watering?

I have a few plants in my Ebb and Gro system that are looking like they are over watered. I am growing in Hydroton and using Humboldt Oneness and Ginormous and CalMag and Hygrozyme. I am currently flooding 3 times during the 12/12 cycle and I recently moved my plants into the flowering room. While they were in veg they were flooded 4 times a day and they looked great.

My flowering room has a co2 burner and atmospheric controller. The temps don't get above 87 and the humidity doesn't go above 45 ever so conditions seem to be right and I don't know what the problem is.

It looks like over watering and with the ebb and gro system there is a little bit of water left in the bottoms of the buckets after the flood cycle. Could this be a problem?

Or maybe since I have co2 I need to water more to keep up with the growth?

Any advice would be appreciated,
MonsterRobot

I will post some pics once the lights go on in a few hours.

I think it might be under watering because when I checked them again after the lights went on and they were fed they perked right back up...

you can get away with higher temps like you have as long as co2 is added, personally i dont like hydroponics and high air temps, one thing i highly recommend is raising each bucket 1 inch higher than the controller, this will let most of that excess water drain, this could be an issue later in the game with salt build up if not flushing monthly, you will notice a higher nutrient concentration at the bottom of the buckets, your flood schedule seems fine, i prefer a flood every 3 hours, especially when they get bigger they drink a ton, check your water temps and yes with high intensity lighting along with higher temps they will get thirsty