Serenity Sponge Filters

Biochemical Sponge Filter

Adds oxygen to the water while supporting colonization of bacteria to assist with the breakdown of harmful waste: Ammonia and Nitrate.

These are great easy filters that now replace the old " box" filters of the 1960's!
You will need an air pump to run them

Provides the fish with a cleaner living environment.

Happy happiness for fishes! oh and Shrimp's!