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Review on Uxcell Aquarium Cartridge Replacement Filters by Rachel Cook

Revainrating 5 out of 5

Highly recommended!

Simply buy it! They are on every fence in my aquariums. I only close one end with a cable tie. Adds an extra surface area for beneficial bacteria to colonize while adding the necessary biological filtration. Also adds a pre-filter to HOB or CANISTER filters. I bought a few extra ones to rotate during water changes. Clean with tank water, not tap water. Highly recommended!

Pros
  • Pet supplies
Cons
  • Expandable