Deleter Manga Ink - 30 ml Bottle - White 1 (Aqueous White-out)

The reason I didn't give this item a higher thumbs up is because I am still figuring out how to use it. Since it's white out, it has a denser state, so just dipping your pen in it won't be enough, so I dipped my pen in a bit of water and it started working, but still figuring out how to use it. I think it wood help if either it came with instructions or at least explains how to use it on this site in the description.
Once I figure it out, it will be a real life saver!