I would mount it under the light myself. second location would be sideways on the side bunk bracket.
ask for a motorcycle trailer tag. they are much much smaller in size.
Your city water includes chlorine. Chlorine tablets are used in survival kits to purify water when hiking. Chlorine bleach is added to RV water systems to keep them clean and sanitized
For decades, all marine motors are iron truck motors with brass core plugs
If you want to run aluminum, you need a heat exchanger
D-shaped LCQ is the best followed by flat tops. Depends on how you build the motor. For low end torque, or high end rpm
dont buy anything off aliexpress that is more critical than a paperweight or an item in a junk drawer.
beyond that, the only ozone generators I know of are on large reverse osmosis units on yachts running 480 - 3-phase. not sure what is used on smaller vessels, or if its even needed.
