Sera Crystal Clear Filter Medium Discus Product shelf life is 4

Product shelf life is 4 years from date of manufacture

use 5 ml of this product in a high flow area of the main aquarium

so there is some controversy on what habitats are ideal for them in captivity

where they find shelter from predators

They require stable water parameters and benefit from occasional supplemental feeding with meaty foods

Sera Crystal Clear Filter Medium Discus Product shelf life is 4High performance filter medium for mechanical filtration The innovative, patented 3D fiber structure of sera crystal clear Professional very quickly removes even smallest particles above 10 m (such as floating algae or sludge). Unlike common filter wool, the filter balls keep their shape and can be washed out several times. They are 80% reusable after washing out. The high performance filter medium is suitable for both freshwater and marine aquariums