Activate is a glass filter media that replaces traditional silica sand and is designed to provide you with clearer, cleaner, healthier water. Our proven activation process makes this product scientifically better than all other filter media and far superior to sand media.

Features

- Ultrafine filtration for cleaner water. Creates 300 times more surface area for superior filtration down to 4-5 microns. - Negatively charged filter media for cleaner water. Attracts and captures harmful bacteria like a magnet. - Self-sterilizing surface for healthier water. Prevents the growth of bacteria and algae by inhibiting reproduction.