Seachem Tidal Media Matrix Aquarium Filter Media Quantity:35 There is also an alternative

There is also an alternative dry version available for non-sterilised cats

As part of their design

Probiotics not only help the digestive tract function

Large:       735ml

With one 48ml refill lasting 30 days

Seachem Tidal Media Matrix Aquarium Filter Media Quantity:35 There is also an alternativeSeachem Tidal Media Matrix Aquarium Filter Media is a high porosity biomedia that provides efficient biofiltration for the removal of nitrogenous waste. Every Tidal filter comes with a bag of Matrix to get you started. Matrix for the 35, 55, 75, and 110 units comes pre bagged in Seachem Zip Bags, which feature durable seams & a corrosion resistant zipper.