If your not successful with what you have or
it fails after a bit here is something that could
work for you. Might be able to find it cheaper
if you shop around some if you decide to try it.
Tubs
https://www.ebay.com/itm/224443994341?epid=227038804&hash=item3441e790e5:g:ppkAAOSwrHtcTOAG
A "Boathouse Repair" is one thats done without having tools or the skills to do it properly.