“Biodegradable” is a matter of degree. (Probably almost any organic material will degrade eventually. ) I have not heard of any official criteria for calling a product “biodegradable” Anybody know of one?
To be a biodegradable oil it must degrade
more than 60% within 28 days.
Tubs
A "Boathouse Repair" is one thats done without having tools or the skills to do it properly.