Fluval Bio-Stratum Volcanic Aquarium Soil - Fine Stem Plants The black spots under the

The black spots under the leaves are sporangia (reproductive organs)

ensuring optimum heat emission and uniform distribution around the tank

The solution is completely safe for fish and delicate invertebrates such as shrimp

Malay Peninsula

Skin & Digestive compares to:

Fluval Bio-Stratum Volcanic Aquarium Soil - Fine Stem Plants The black spots under theMade 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