Create the foundation for a thriving planted aquarium with Fluval Bio Stratum. Made from 100% natural, mineral-rich volcanic soil from Mount Aso in Japan, this premium substrate is infused with beneficial nitrifying bacteria to help establish immediate biological activity and maintain ideal aquarium conditions.
Featuring fine, non-compacting 1 mm granules, Bio Stratum allows delicate plant roots to spread easily while providing essential nutrients, minerals, and trace elements that support strong growth and overall plant health.
