Fluval Bio-Stratum Size:17.6 lb programmable collar keys are sold

programmable collar keys are sold separately for cats without microchips

durable and rust- and scratch-resistant

traveling or at home

The difficulty level can be adjusted to make it easier or harder

Smart Selects supports strong immune function

Fluval Bio-Stratum Size:17.6 lb programmable collar keys are soldMade 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