0.1M Biostone Filter0.1M Regular Biostone Filter for Aquarius, Orion, Melody, Microlite and Neptune ( BIOSTONE-FILTER ) The Regular 0.1M Biostone filter contains layers of Tourmaline and Coral Calcium inside a anti-bacterial carbon block filter. This quality filter is unique to Jupiter Science and will help to naturally ionize and clean the water, before the water enters the ionization chamber.