So, it is amazing. Northeast Music Center, Scranton, PA. Arrived 2 weeks early and it's stunning. The shop, Grant and Jack, shipped it out the day they got it and gave it the inspection ok.
Lovers of the Low End unite!
I had the same question as I also have one on the way. I asked their support email. They said an alcohol and water dilution. They didn't give the ratio. I'm going for vodka as a target at 40%... but with with isopropyl. That said, I have an LB100 in ash frost and it's never needed cleaning yet...