Certec® 3in1 protects your fresh water in the tank all year round.
The special triple action of the capsule prevents bacterial contamination and the formation of biofilm (streaks). It also supplies the water with minerals. Certec® 3in1 floats on the water surface like a buoy and can be easily fished out of the tank at any time thanks to the certified nylon cord.
- Proven to prevent slime formation (biofilm) in the tank
- Regulates the release of negative ions by itself
- Lasts up to 12 months
- With practical nylon cord with control sticker