Provided that you're Light and rely on them in h2o, pumice stones are rather simple and Harmless to work with. Many thanks! We are happy this was practical. It’s a completely pure, usually chemically-inert, and has a neutral PH; it’s also much more eco-welcoming than synthetic alternatives for example plastic https://bookmarkblast.com/story18660401/the-greatest-guide-to-pumice-stone-wholesalers