Limited-time opening sale on filter media! High-quality filter media balls with medicinal stone, excellent water purification, 980g, highly recommended filter media!

Thank you for looking. This is a high-quality filter medium containing Bakuhanseki (medicinal stone). It is 10mm in spherical shape.
It provides excellent water quality stability and biological filtration. It can be used in various filtration devices such as top filters, so please give it a try.
It is manufactured by firing silicate salts at high temperatures.
The countless pores are ideal for bacterial growth. Being made of glass, it is durable and long-lasting.
Suitable for both freshwater and saltwater aquariums. Water quality may vary slightly depending on the filtration in your aquarium when in use, so please use an appropriate capacity for your filtration.
Before use, rinse this product lightly with water (water only). This product is for aquarium use only and should not be used for any other purpose.
The degree of soiling of this product will vary depending on filter performance, the number and size of fish, water quality, etc., but please always check the degree of soiling and wash or replace it as needed. (I perform regular inspection and replacement once every 3-6 months.)
If left as is, filtration capacity will decrease, potentially leading to the of your fish.