Took that cruise last year and loved it. I did not make it a beer cruise, but would recommend the following:
The Weltenburg Abbey excusion -- Weltenburg is the oldest operating abbey brewery. The church in the Abbey is unbelievable.
Fruh brewery and the Gaffel brewery in Koln (Cologne). Be...
Man Reaches Age Where He Carefully Checks ABV% On Every Beer He Drinks
https://babylonbee.com/news/man-reaches-age-where-he-carefully-checks-abv-on-every-beer-he-drinks
In addition, if you are buying kits, the grain milling may not all be the same. the finer the grain is milled, the better efficiency. I mill my own grain, so my mash efficiency is pretty consistent from batch to batch.
I bought the Grainfather G40 two Christmases ago and love it. I make both 5 and 10 gallon batches, but usually make beers in the 5%-7% ABV, so I don't have huge grain bills. I find that the CFC that came with the G40 works well for 5 gallon batches, but uses too much water for a 10 gallon...
My friend used to go to his local mom and pop video rental store in Manhattan Beach, CA because one of the employees was so good at recommending movies based on what the customers told him they liked and didn't like. One day, that employee was no longer there, and my friend asked what happened...