Seachem Reef Fusion 1™ Canister Filter Media The ATK (Automatic Top-off Kit)

The ATK (Automatic Top-off Kit) is a simple

Purigen® darkens progressively as it exhausts

Made with natural ingredients and fortified with vitamins

" Rep-Cal's "sea vegetation" base is rich in essential trace elements and minerals

Innovative design

Seachem Reef Fusion 1™ Canister Filter Media The ATK (Automatic Top-off Kit)Key Features Provides 100,000 mg L of ionic calcium Restores and maintains alkalinty Most concentrated two part system; simple 1: 1 ratio Description Reef Fusion 1 and Reef Fusion 2 are the foundation of a system formulated to provide the essentials for the reef aquarium. Reef Fusion 1 provides calcium, while Reef Fusion 2 provides alkalinity. When used together, the Reef Fusion system will maintain calcium and alkalinity levels. Reef Fusion 1