Aquarium Filter Balls - Nile BioSphere Balls

Product information:
Specifications: Bacterial ball 1 catties
Diameter: about 20mm


Feature:
Bio-Balls are fired at high temperatures.
Rich in a variety of natural elements and essential minerals and trace elements.
PH neutral. Great help in restoring natural water quality Suitable for freshwater and seawater tanks.
Do not replace these balls frequently. After six months of use, replace half and use the new ball with the rest of the old ball.

Packing list:
Bacteria ball*500G