Sera Siporax Algovec Professional Phosphate Remover 210g Nutrients & Additives made from high quality glass

made from high quality glass and compact in size for discreet installation

Fluval 106 External Canister Filter (A202)

It has a large surface area for microorganisms to colonize

Fluval BioMax insert

This cartridge is a subsidiary of the big CO2 cylinder used for big aquarium

Sera Siporax Algovec Professional Phosphate Remover 210g Nutrients & Additives made from high quality glassBiological filter medium for phosphate removal Sera Siporax Algovec Professional is a biological filter medium that removes phosphate in a natural way by means of bacteria. Excess phosphate can lead to increased algae growth. The nutrient utilizing bacteria in a stable permanent form take up their work and multiplication in shortest time upon contact with water, and remain active lastingly. The carrier material Sera Siporax optimizes the performance