Seachem Reef Fusion 2 is a concentrated alkalinity supplement designed for saltwater and reef aquariums. It contains a blend of carbonates and bicarbonates that helps restore and maintain alkalinity, providing essential carbonate for coral growth and the development of other calcareous marine organisms.
**Key Benefits:**
- Maintains alkalinity and supports stable water chemistry.
- Supplies carbonate needed for coral skeleton formation and growth.
- Designed to work alongside Seachem Reef Fusion 1, which supplies calcium.
- Helps maintain the essential calcium and alkalinity balance in reef aquariums.
**Directions for Use:**
- Shake well before use.
- Add 1 mL per 25 litres of aquarium water every 1–2 days.
- Add to an area with strong water flow.
- If using Reef Fusion 1, add it first, wait a few minutes, then add Reef Fusion 2 in a separate area.
- Never mix Reef Fusion 1 and Reef Fusion 2 directly.
- Test alkalinity regularly and adjust the dose according to aquarium requirements.
**Recommended Alkalinity:** 3–6 meq/L (8–17 dKH).
**Available Sizes:** 500 mL, 1 L, 2 L and 4 L.