Activate is a permanent filter media that replaces sand, zeolite or crushed glass. It is a sustainable solution for crystal clear water.
 
3 reasons why activate is a more effective filter media than sand:
Better filtration with up to 300 times more surface area than sand for clearer water.
Attracts and captures harmful bacteria with a negatively charged filter media for cleaner water.
Prevents the growth of bacteria and algae with a self-sterilizing surface that for healthier water.