Fluval Bio-Stratum Volcanic Aquarium Soil - Powder Format shrimp Used for low-pressure aquarium devices

Used for low-pressure aquarium devices such as canister filters

many times they fail to remove the medication completely and sometimes can shock the fish

iridescent yellows

Filter feeding corals such as Goniapora

Fluval Bio-Stratum Volcanic Aquarium Soil - Powder Format shrimp Used for low-pressure aquarium devicesMade 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