Description
Reef Octopus CalReact 140 Controllable DC Calcium Reactor
The Reef Octopus CalReact 140 (SKU: OCT-CALR140) is an advanced, highly controllable aragonite-dissolving reactor system engineered to maintain balanced levels of calcium, alkalinity, and trace elements in demanding marine reef aquariums up to 250 gallons. As stony corals grow, their daily skeletal uptake outpaces traditional multi-part liquid dosing routines, introducing chemical volatility and climbing operating costs. The CalReact 140 replaces daily manual dosing by continuously circulating aquarium water through its 5.5-inch chamber alongside pressurized carbon dioxide (CO2). This gas safely depresses the internal pH to an acidic level, gently melting crushed ancient coral media down into its raw, bio-available mineral forms.
The premium distinction of the CalReact 140 lies in its propulsion system: the controllable VarioS 2 DC recirculation pump. Unlike traditional, rigid alternating current (AC) pumps, the variable-speed VarioS 2 pump operates at a safe 24V working voltage, utilizing a specialized pinwheel impeller, high-grade ceramic shaft, and detached controller to refine your flow dynamics seamlessly. Embodying an optimized reverse-flow fluid layout, the pump continuously pushes water up from the bottom grid. This uniform upward lift prevents heavy polymer aragonite from packing down into solid bricks or forming anaerobic dead spots. Hand-crafted from solid, optical-grade cast acrylic and finished with an easy-to-remove thumbscrew lid, this elite reactor offers unparalleled chemical stability for thriving hard coral displays.
Key Features
Variable Speed VarioS Pump: Features multiple speed settings and feed-pause control modes, seamlessly integrating with third-party controllers via a 0–10V port.
CO2 Recirculation Engineering: Traps and recirculates undissolved gas pockets within the upper neck structure, optimizing structural efficiency.
Precision Effluent Control: Upgraded gate valve plumbing enables micro-level output configuration, preventing the common "clog and stall" failures of cheap needle valves.
Probe Integration Ready: Securely houses standard monitor or controller probes directly in the primary acidic mix zone for absolute automation.
Industrial Quick-Connects: Employs standard 1/4-inch push-connect fittings for seamless integration into feed and effluent tracking lines.
System Capacity Handling
Heavy Demand (Packed SPS Reef): 120 Gallons
Medium Demand (Mixed Reef): 200 Gallons
Light Demand (Soft Coral/LPS Display): 250 Gallons