How to Take Care of a Cold Plunge

I didn't realize that you do have to take care of this cold plunge because I was gifted it and I didn't read anything about it. And man, it looked like I just cleaned it up before you guys got there, but it looked the night before. There's no way he did it. You had to put filters in that thing. It looked like so many people just in it. But why don't I itch? When I have cold plunge, I ejaculate right away. So does it look like that because one person did? Yeah, because we came by unannounced. He did say that in a group text message. "I dodged those things like the fucking plague"