Maintain stable calcium and alkalinity levels in your reef aquarium with the Seachem Reef Fusion 1 & 2 Bundle

Reef Fusion is a balanced two-part solution designed to support coral growth and long term stability.

Reef Fusion 1 delivers essential calcium, while Reef Fusion 2 provides alkalinity support. Together, they help maintain the proper balance needed for coral health, skeletal growth, and consistent reef parameters.

This two-part system is designed to be used together, making it a simple and effective way to maintain stability in reef aquariums.

How It Works 

Corals rely on:

• Calcium → for skeletal growth
• Alkalinity (KH) → for stability and structure

This system works by:

1. Dosing Reef Fusion 1 (calcium)
2. Dosing Reef Fusion 2 (alkalinity)
3. Maintaining balanced levels over time

Result: Stable parameters and healthier coral growth

IMPORTANT: Proper Use

This is a two-part system both products must be used correctly.

Best Practice

• Dose both parts separately
• Allow time between dosing each part
• Test water parameters regularly

What to avoid

• Do NOT mix both parts together before dosing
• Do NOT dose large amounts at once
• Do NOT dose without testing

Improper use can cause:

• Parameter swings
• Coral stress
• Imbalance in your system

What It Helps With

• Maintaining calcium levels
• Stabilizing alkalinity (KH)
• Supporting coral growth
• Keeping reef parameters consistent

Why It Matters

Stable calcium and alkalinity are essential for reef success.
This system helps maintain that balance, reducing fluctuations that can negatively impact corals.

Perfect For

• Reef aquariums (LPS, SPS, mixed reefs)
• Hobbyists dosing calcium and alkalinity
• Maintaining stable reef parameters

What’s Included

• Seachem Reef Fusion 1 – 500 mL (Calcium)
• Seachem Reef Fusion 2 – 500 mL (Alkalinity)

Pro Tip

Pair with:

• Calcium test kit
• KH (alkalinity) test kit

This ensures safe and accurate dosing