Mesh bag package allows you to use and maintain it conveniently, so you can just take it out and rinse with some cold tap water for a few seconds.

Each pc of ring is oblique section Structure, which diverts water and oxygen flows to every corner of media, then cultivate bacteria higher efficiently.

Mineral rings are full-function mineral filter media. They can not only provide mechanical filtration effect, but also offer your fish and aquatic life with minerals.

Mineral ring has rich minerals formula, such as Fe, Zn, K, Fe etc. Mineral elements are beneficial for bacterial cultures and fish

For examples,

Modest Zn+ Increases fish appetites and muscular fats

Modest K+ can improve fish growth rates, it’s vital for fish bones

Modest Fe+ Benefits plants and balances the best blood conditions for fish, plus, improves fish antioxidant capacity and immune systems

Mineral Ring has passed test of RoHS so you can use them freely. It has no bad influences on your fish or other aquatic life.

Mineral Rings can be used for both freshwater and marine water tank.  We advise to use in biological filtration chamber.