Certec® 3-in-1 protects the freshwater inside your tank the whole year round.
The
special threefold effect of the capsule stops the formation of
bacteria and biofilm (smears). Moreover, it provides the water with
minerals. Certec® 3-in-1 swims at the surface like a buoy and can be
pulled out of the tank comfortably using the certified nylon string.
Proven to prevent slime formation (biofilm) in tanks
