100% Original Factory Filter Balls For Sand Filter - Culture Ball Bacterial Ball Filter Media Microporous Bacteria House Nami Five-color Hollow Quartz Ball – Bestn

Nano five-color hollow quartz balls, with an internal hollow structure, can form a low-oxygen environment, cultivate anaerobic bacteria, and provide better space for reproduction. Five colors, different uses, better effect when used together.

A variety of scenarios are available, suitable for various filtration systems, such as bottom filter, back filter, side filter, top filter, trickle flow, external filter, filter bucket and other filtration methods can be used.

Please note:
*Before using the filter material, please rinse it with clean water (do not rub it hard), and put it into the filter tank for use.
*When replacing the filter material, it needs to be replaced gradually. It is better to replace one-third of the filter every
week. Do not replace it all at once.
*After the filter material has been used for a period of time, it needs to be replaced in time, and it is recommended to replace
it about once a year.
*It is recommended to use with filter cotton and nano ball for better effect.