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JBJ Culture Bacteria Hollow Ball (S size) 1.5L


Hollow design accelerates diffusion rate of ni-
trifying bacteria and enhances filtration effi-
Hollow cavity of filter media forms hypoxic en-
vironment, and accelerates growth and repro-
duction of anaerobic nitrifying bacteria.
Provides a large surface area for bacteria ad-
Small individual dimension suitable for various
filter sizes.
Suitable for Fresh and Salt water.