Seachem Reef Fusion 1 500 mL
Seachem Reef Fusion 1 is the calcium component of Seachem’s advanced two-part Reef Fusion dosing system, formulated to maintain optimal calcium levels required for coral skeletal growth, coralline algae development, and overall reef stability.
When paired with Reef Fusion 2 (Alkalinity), Reef Fusion 1 delivers balanced calcium supplementation without ionic imbalance, making it ideal for SPS, LPS, and mixed reef aquariums.
The 500 mL bottle is well suited for medium to large reef systems and consistent daily dosing.
Calcium Component Supports Coral Skeleton Growth Two-Part Reef System
Key Benefits
🧪 Maintains Proper Calcium Levels
🪸 Supports Coral & Coralline Algae Growth
⚖️ Balanced Two-Part System (Use with Reef Fusion 2)
Designed for Reef & Marine Aquariums
🐠 Safe for Fish, Corals & Invertebrates
🔁 Prevents Ionic Imbalance
⚙️ Product Details
- Brand: Seachem
- Product Name: Reef Fusion 1
- Size: 500 mL
- Supplement Type: Calcium
- Aquarium Type: Saltwater / Reef
- System: Two-part dosing (Part 1 Calcium)
💡 Dosing Guidelines (Summary)
- 1 mL per 25 gallons raises calcium by approximately 2 ppm
- Dose daily or as needed based on testing
- Dose separately from alkalinity supplements
Always test calcium levels regularly and adjust dosing accordingly.
❓ FAQ Seachem Reef Fusion 1
Q: What is Reef Fusion 1 used for?
A: It supplies calcium needed for coral skeletal growth and coralline algae health.
Q: Do I need Reef Fusion 2 as well?
A: YesReef Fusion 1 (calcium) and Reef Fusion 2 (alkalinity) are designed to work together.
Q: Is this safe for SPS corals?
A: Yes — commonly used in SPS, LPS, and mixed reef systems.
Q: Can calcium be overdosed?
A: Yes — always test and dose conservatively to avoid imbalance.
Q: Does this replace water changes?
A: No — it supplements calcium but does not replace regular water changes.
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