Bryant Redhawk
Songster
A bilge pump would work, just get one big enough to empty the tank fairly quickly, unless you don't mind waiting around for it to empty. Cleaning is pretty straight forward with a scrubber/ squeegee and long handle pan (keeps you from having to bend over so much)
https://www.walmart.com/ip/Rubberma...-11-1-4-in-x-12-4-5-in-Plastic-Black/25463947 something like this is simple and will work once the water is out.
https://www.walmart.com/ip/Rubberma...-11-1-4-in-x-12-4-5-in-Plastic-Black/25463947 something like this is simple and will work once the water is out.