Description
Feature:
How it works: When the water flows through internal space, for a prolonged time, using the nitrifying bacteria to achieve the effect of biochemical filtration.
Multipurpose:
The bio ball is very suitable for use in fish tanks, ponds, and aquariums. Can add them to tank filters, top filters, fish pond filters bottom filters, etc.
Item Specifications:
Colour: Black
Material: Plastic, cotton
Quantity:50 Pieces
Package List:
50pcs * ieron Biochemical Balls