Check out Part 1 in case you missed it.
I wrapped up the plumbing for my water mixing station this weekend.
The first thing I did was install the Uniseal on the top barrel for storing RO/DI water. Installing the Uniseal was tough but I learned a trick is to either use warm soapy water or your favorite water based lubricant. I'll let you guess which one I used but it was a lot easier than just trying to jam the PVC through the Uniseal.
I put a ball valve on