Cleaning community water better and more economically

Activated Filter Media (AFM) is a direct replacement for sand in any type of sand filter. AFM is the product of more than 30 years of research and development by Dr. Howard Dryden. The research was based on a PhD on aluminosiclicate zeolitic sand clinoptilolite for the selective ion exchange filtration of recycled water for intensive closed (RAS) aquaculture systems.…