I would talk to the dad and explain that the python is cleaner to use when changing water and would only be in the way for about an hour every week. It's something you use and then put away until you use it again.
Yellowstone National Park: 12-28-2012 to 1-3-2013
March Madness, Rio, Las Vegas 3-20-2013 to 3-26-2013
Glacier National Park or Vegas, September 2013???