Only the bombs that have had this added on the forge will be able to regen.
It’s an easy forge ability as only one other boon shares the same gum and that’s the heal ability so the most expensive part really is the bomb itself.
I would recommend if you ever do this or look into getting some yourself to use iron bombs as different quality bombs are not worth it since they all have the same durability sadly plus iron bombs have 1 extra range even through they all have a very large area of effect.
Also a lot of the gleam farms people have built such as here should have them for sale: Gleam mining network - Code Gleam