There are many ways to filter water, but if you want the hottest method on the market, then you need to know about volcanic water. Volcanic water has been through a trial by fire in some ways. It is filtered by the porous rock found in volcanoes, ensuring a natural and effective result. Most people do not have access to this water on a regular basis, which is why you should learn more about the top volcanic water brand. Use this helpful list to see the top companies. Every brand features pure, refreshing volcanic water that you can enjoy anywhere. The companies below have been reviewed based on a wide range of qualitative and quantitative statistics. In some cases, variable listing fees effect position on this list; however only highly-regarded firms are accepted through our review analysis. Learn more about our ranking process here.