Hagen g

The Fluval Pressurized CO2 Disposable Cartridges- 20 g are genuine replacement cartridges for the Fluval Pressurized CO2 System - 20 g.  This package contains 3 x 20 g replacement cartridges.

The Fluval Pressurized CO2 Disposable Cartridges- 88 g are genuine replacement cartridges for the Fluval Pressurized CO2 System - 88 g. This package contains 3 x 88 g replacement cartridges.

Designed for External Filters, Fluval Ceramic G-Nodes have a complex pore system where beneficial bacteria will thrive.  With more capacity and a special shape that enables them to be compacted tightly inside the filter baskets, the G-Nodes enhance biological nitrification and help reduce ammonia and nitrite. Key Features : Complex pore system allows beneficial bacteria to thrive High capacity and special shape enables them to be compacted tightly inside Fluval G filter baskets for better biological nitrification and ammonia and nitrite reduction Large nodes 400gms + Small Nodes 200 gms