Did you know a large amount of the filtration that happens in your tank is done by microorganisms? While it’s not the whole story, biological filtration is an important factor in keeping down levels ...

Cover image description: Methyloprofundus sedimenti is a methane-oxidizing bacterium that originates from seawater west of Spitsbergen, where it serves as a biological filter for methane in this ...

This study aimed to comprehensively assess the potential of red rice extract as a biological UV filter and to investigate its ability to enhance SPF performance and partially replace chemical UV ...

Sustainable, biological filters called slow sand filters have been used to filter drinking water since the 1800s. They don't use any chemicals, create no waste and use very little energy. New research ...