after a bunch of research I figured out that what you need to find is a "bone char filter". They come in all forms and shapes and sizes. So that part
I can't answer. but search for "bone char filter" and many will pop up. Appearently that's the best way.
This content community relies on user-generated content from our member contributors. The opinions of our members are not those of site ownership who maintains strict editorial agnosticism and simply provides a collaborative venue for free expression.