OK, well I was able to investigate this some more...

I decided to flush as I thought it might be more of a pH problem or over-nute problem. I had just fed them their first moderate dose of nutes a few days before. So I started flushing with distilled water (pH 8.0) and the runoff came out at 5.0! I think that's pretty damn low for soil and I have no idea how it got that low (other than the fact that FFOF soil is inconsistent shit). Anyway, this leads me to believe that pH and associated lockouts was definitely the problem. So I flushed with 1x the volume of the soil container and pH only came up to 5.4!! Looks like I'm going to have to flush again soon... I ran out of light time.

So, how can pH get that low! This plant is only 5 weeks old and was just transplanted 1 week ago from a 1-2 gal to a 5 gal! So there's fresh soil and I'd even added a bit of dolomite lime (very small amt though). The nutes I use hardly lower pH and I pH it to no lower than 6.8.

I just hope I can fix it before it hermies!

Lastly, I posted pictures of the symptoms again just to help anyone in the future that may have this problem. The leaves are canoeing, or curling up along the serrated edges. Also, I'm getting brown/rust colored spots on the leaves... as the soil dried it out they seemed to get worse and turn into patches in some areas. I'm not sure if this was pH lockout or nute-burn.