Fluval ceramic G-Nodes feature a complex pore system where beneficial bacterial will thrive. With more capacity and shaped to compact together tightly within the G filter baskets G-Nodes enhance biological nitrification. Over time the micro and macro tunnels of the Fluval G-Node pore system become clogged. 
Actual product may vary from the image shown.
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        Fluval ceramic G-Nodes feature a complex pore system where beneficial bacterial will thrive. With more capacity and shaped to compact together tightly within the G filter baskets G-Nodes enhance biological nitrification. Over time the micro and macro tunnels of the Fluval G-Node pore system become clogged. It is suggested to lightly rinse with aquarium water or replace one biological basket of G-Nodes every 6 months.
Content: G-Nodes small and large
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        Reviews for Fluval G-Nodes biological Filter Medium G Series:
Write a reviewthomas h. at 09.06.2017:
Ist sehr gutes matrial
 

