Anyone know what these are?

[ecoffey298]

Does anyone know what these are? We set this tank up about 2 weeks ago for a quarantine tank and these popped up a few days ago. Any ideas?

 

[DanyL]

I don't think this comment is going to help lol

That's ok, If he thought it was supposed to be funny, then I guess he has a bad taste in jokes.

 

[Ron Reefman]

To the OP, you might find some help at a thread here called 'Minimalist Reefer': https://www.reef2reef.com/threads/minimalist-reefer.1030960/
The ides is to keep it simple and as inexpensive as possible.