Seachem Matrix shrimp Provides highly concentrated ferrous iron

Provides highly concentrated ferrous iron (Fe+2) gluconate at 10

Aquarium keepers looking for a hassle-free indicator solution refill

Suitable for freshwater and saltwater

The ISTA set offers a simple alternative to refilling CO2 cylinders and can be adapted for use with different aquarium types

Betta fish

Seachem Matrix shrimp Provides highly concentrated ferrous ironSeachem Matrix Seachem Matrix is a high porosity biological filter media for aquarium owners who want to support biofiltration in freshwater or marine aquatic environments. This inert, porous inorganic media provides a large surface area for beneficial bacteria that process ammonia, nitrite and nitrate within the same filter. Key Benefits Provides high capacity biological filtration for nitrogenous waste. Supports both aerobic and anaerobic bacteria