|Size (L x W x H)||11.1 cm x 11.1 cm x 12.6 cm|
Building the bio filter & stable water quality
There are abundant micro pores inside the material. It greatly improved the surface area and makes it be able to adsorb the heavy metal ions and other harmful substance. It also provides endless growing space to nitrifying bacteria.
Neutral pH, apply to fresh and marine water.
Use it with Hollow Ball can get even better result
1). Replacement rate: S- 4 months, M- 6 months, L-8 months.
2). Rinse the media thoroughly with water before using to prevent cloudy.
3). Amount: 5% of water volume.