4x Bio Sponge Filter Betta Fry Aquarium Fish Tank Double Sponge (S) XY-2831
Equipment Bay Minette 85 viewsShipping Details:
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Price:
$13.61
They contain a ton of surface area for beneficial bacteria to colonize. Operated by an air pump, they create minute bubbles to increase oxygen content in water. This sponge filter does not trap fish fry and are safe for small size fish like dwarf cichlid, guppy, killifish, etc.