If your UV is triggered by a certain amount of pressure, then your pump must be matched to it. If this is not a concern, then the following links may be of use: Pump recommendations : r/FloatTank (reddit.com)

For a home setup you don’t need a high powered filtration, but you should use either a magnetic drive pump or mechanical pump that can maintain roughly 20 gallons per minute (45-80 GPM for commercial setups). Generally 110v 1/8HP is enough to stir the water, (I’ve used as low as 3/32nd HP and as high […]

since it is mag-drive, we presume it does not have a rubber seal that can rot due to salt. It is being used in a refurbished Zen Float Tent.