It might be a touch too warm toward the top of unit - that looks like the start of heat stress (to me) but I could be wrong.
You can move your thermometer/hygrometer device up under the light to get a read on how hot it is. Is it possible to tie the tops back a bit more get them to be a few inches lower?
Or were those some lower buds? It’s probably just odd growth if it’s not a bud that was too close to the light. Another thought is that maybe there is a fan blowing directly on those parts?
Yea I moved it it was closest to light I thought thats what it was thx much
Did you end up checking and cleaning the probes? Sorry if you already answered I’ve just asked so many recently 
No not yet should I even tho it’s just day 80 of my grow
That bud I showed in picz above was pretty close to light n before vegetato answered I figured that was the cause of it cause it’s only that particular budsight that looks like that
I would want to being that your in flower. You may not need to clean and calibrate it but if you do a health check and it’s off, your end product will benefit greatly. I’d bet if you pulled your probes out there’s at least some build up on it
Thx much russ yep calibration was reccomend so went ahead n squared that away 
There was no build up on it but yea it definitely needed to be calibrated thx
No worries! Better safe than sorry 
. Least now you know it’s going to properly read the res and dose accordingly
