Seachem Pond Matrix; available in 2 sizes BirdCSBreedSize_Small Secure - Doors have locks

Secure - Doors have locks

S/M: 1" x 12"-18"

and other plants that tortoises love

Available Sizes: 5 lbs (2

If your pup tries to pull

Seachem Pond Matrix; available in 2 sizes BirdCSBreedSize_Small Secure - Doors have locksPond Matrix is a high porosity biomedia that provides efficient biofiltration for the removal of nitrogenous waste in ponds. Plastic bio materials provide only external surface area, whereas Pond Matrix provides internal macroporous surface area. These macropores are ideally sized for the support of nitrifying and denitrifying bacteria. This allows Pond Matrix, unlike other forms of biomedia, to remove nitrate along with ammonia and nitrite,