Seachem Matrix FishDecorBrand_Skaffles Rogz AlleyCat Safety Collar is

Rogz AlleyCat Safety Collar is recommended for everyday use and identification

Installs in seconds: rinse first and align cartridge bottom key slot for an accurate fit inside the Filter

Lean Muscles

No squeaker

Stress & Anxiety

Seachem Matrix FishDecorBrand_Skaffles Rogz AlleyCat Safety Collar isMatrix is a high porosity biomedia that provides efficient biofiltration for the removal of nitrogenous waste. Matrix is a porous inorganic solid about 10 mm in diameter. Each liter of Matrix provides as much surface (>~700 m2) as 170 liters of plastic balls! Plastic bio materials provide only external surface area, whereas Matrix provides both external and internal macroporous surface area. These macropores are ideally sized for the support of