The Blau Aquaristic Spare Ceramic Disc is used as a replacement membrane for CO2 diffusers. Its porous ceramic surface produces fine, steady CO2 bubbles, helping plants absorb them.
Before first use, soak the disc in water for 24 hours. It replaces the old membrane and is compatible with Blau CO2 diffusers and other devices of the same diameter.
- Diameter: 20 mm
- Material: Porous ceramic
- Use: CO2 diffusion in aquariums
- Compatibility: Blau CO2 diffusers and devices with a 20 mm diameter
- Preparation before first use: Soak in water for 24 hours