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Digital Aquatics RKM SL-1 Module
The RKM-SL1's five input ports provide a broad range of monitoring options for all the most common probes. Connections include a temperature port, pH port, two switch ports, an ORP port plus two bus connections and an LED status indicator. The module's compact design and convenient mounting tabs makes installationa a breeze. The SL1 also has upgradeable firmware so you can take advantage of Digital Aquatics developing feature set (firmware updates are and always will be free).
Seachem Reef Fusion Two Part System 1 & 2 Calcium and Carbonate Supplement
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 and Reef Fusion 2 provides alkalinity. When used together, the Reef Fusion system will maintain calcium and alkalinity levels.
Reef Fusion 1 provides not only 100,000 mg/L of ionic calcium, but also includes biologically appropriate levels of magnesium, strontium, boron, iron, manganese, and molybdenum.
Reef Fusion 2 contains a mixture of carbonates and bicarbonates at an alkalinity of 4400 meq/L. It is designed to restore and maintain alkalinity in the reef aquarium and provide calcareous species with the essential carbonate needed for growth.
When used as directed, Reef Fusion 1 and Reef Fusion 2 will maintain the critical levels of calcium and alkalinity necessary for healthy coral growth, while providing biologically appropriate levels of other elements and trace minerals.