My wife designs treatment plants for a living. I do visualization work on the designs, same company.
We have a saying. "Might smell like **** to you but it's our bread and butter"
The headworks part of the plant are the worst, you get used to the rest.
Soak some cotton balls in bleach and put them on the caulking, let it sit for an hour or so. That's what I do when my caulking gets a little moldy, works like a charm. Use gloves and turn your fan on.
I have a kegerator, it's a must do if you brew your own beer or cider. I have 2 5 gallon kegs in my small keezer with a canister of CO2 on the inside. Only because there isn't much room in that space to mount it on the outside. I use a small freezer with a temp controller to keep it slightly...