What's floating on top after cold crash?

[Panderson1]

I slowly cold crashed about 4 days ago. And then this formed? Dos this look OK? (attached) i dry hopped with no bag and they fell to the bottom after I started cold crashing. Then this appeared a day later.its around 45 degrees f

 

[FromZwolle]

I slowly cold crashed about 4 days ago. And then this formed? Dos this look OK? (attached) i dry hopped with no bag and they fell to the bottom after I started cold crashing. Then this appeared a day later.its around 45 degrees f

normal beer foam bubbles. nothing to be concerned about. your hops created a nucleation point for co2 to come out of solution.

keep the lid on until you transfer and try to minimize oxygen exposure as much as possible.

 

[day_trippr]

Proteins. Nbd, I often get the same "frozen head" on starters. Swish it around or don't, there isn't much actual substance to that matrix...

Cheers!