Seachem Reef Fusion 1 500ml – Calcium Supplement for Reef Aquariums

Seachem Reef Fusion 1 500ml is a highly concentrated calcium supplement designed as part of Seachem’s two-part Reef Fusion system. It provides essential calcium along with magnesium, strontium, boron, manganese, and molybdenum—key elements required for strong coral growth and skeletal development.

Reef Fusion 1 works in conjunction with Reef Fusion 2, which supplies carbonates and bicarbonates to maintain alkalinity. When used together, the system delivers balanced calcium and alkalinity levels, closely replicating natural seawater conditions for optimal reef health.

This 500ml size is ideal for medium to large reef aquariums or frequent dosing schedules. Reef Fusion 1 is easy to dose, fast acting, and formulated to support consistent coral growth when used as directed.

Key Features:

• Highly concentrated calcium supplement
• Part 1 of the Reef Fusion two-part system
• Contains magnesium, strontium & trace elements
• Supports coral growth and skeletal formation
• Designed to be used with Reef Fusion 2
• Suitable for reef aquariums
• Large 500ml bottle for regular dosing

Seachem Reef Fusion 1 500ml is a professional reef calcium supplement formulated to support healthy coral growth and long-term reef stability. Used together with Reef Fusion 2, it helps maintain balanced calcium and alkalinity levels essential for thriving reef aquariums. Available now at Reef freaks.