Fluval Bio-Stratum Aquarium Gravel

Made from 100% natural, mineral-rich volcanic soil from Mount Aso in Japan and infused with beneficial nitrifying bacteria, Bio-Stratum is specifically formulated to provide immediate biological activity and maintain ideal conditions for a thriving planted aquarium. Characterized by its non-compacting 1 mm powder granules, Bio-Stratum allows plants with even the finest and most delicate roots to easily spread throughout the porous substrate while absorbing a powerful mix of nutrients, minerals and trace elements that promote explosive growth and overall health. Key Features Promotes healthy plant development, vigorous growth and vibrant color Infused with dormant beneficial nitrifying bacteria that, once in contact with water, are activated to break down waste and kickstart the nitrogen cycle Rapidly reduces ammonia levels to help stabilize water conditions in new aquariums Lightweight 1 mm powder format granules are non-compacting and allow even the finest and most delicate roots to