Sorry to hear about your luck, I may have made a similar "blind purchase" and have already started to tear out the floor and waterlogged foam....

How is the interior? Check out this thread for weighting for Wakeboarding.
https://forum.supraboats.com/showthr...r-WAKEBOARDING

There is also a ton of information on weighting these boats for WakeSurfing. Due to the tall freeboard there is potential to put significant weight in these boats.