Seachem Matrix freshwater invertebrate The oxygen content and surface

The oxygen content and surface area of the tank will determine the proper number of fish for your tank

because this is an assortment pack it also includes the Stage 1 Fluval C3 Foam Pad for the filtration of larger particles

Raises carbonate alkalinity (KH) with minimal impact on pH

Should that fail a safety float switch shuts the unit off and sounds an alarm

Seachem Matrix freshwater invertebrate The oxygen content and surfaceSeachem Matrix High capacity biofiltration Controls ammonia, nitrite, and nitrate Highly porous enormous surface area (>~700 m2 L) Supports aerobic and anaerobic bacteria species Description Matrix 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!