Go to walmart, academy sports, or other store that sells some boating and towing stuff and get a trailer jack with the wheel, then put a 8"concrete block under the wheel, but chock the tires.
This is a issue that has plagued pwc's for decades, and I have even seen boats with blistering on the bottom of the hulls.
Most paints are not designed for extended periods of water submersion, and the blistering is the result. Once the adhesion to the sub straight or primer is lost, the only way to fix it is to sand it off and repaint or apply gel coat (royal pain in the butt).
Be very polite and talk to the customer rep like your talking to one of us or a friend. Have fun with them and the conversation. It really makes a big difference how things can get handled. Remember, they are people and just doing their job per someone else's instructions.
Last edited by rodsatheart; 10-06-2019 at 06:31 AM.