Key Features:
- Suitable for all low-pressure Fluval Bio-CO2 Professional Systems
- Produces CO2 within 24 hours (when mixed with sugar, not included)
- Each refill pack contains 4 yeast activator packs and 4 stimulant packs
- Professionally manufactured yeast for fast fermentation and maximum CO2 production
- Pre-measured for simple and accurate dosing
- Each refill pack provides a long-lasting CO2 supply: Model 125 (up to 4 months), Model 250 (up to 2 months), Model 500 (up to 1 month)
Included:
- 4 yeast activator packs
- 4 stimulant packs
Compatible with: A8460, A8463, A8466
