The element™ Ca Reactor provides and maintains a virtually constant calcium, magnesium, and alkalinity ratio, which is critical to the long term success of reef aquaria. The element™ Ca Reactor functions by using CO₂ to react with a calcium reactor media such as Seachem’s Reef Reactor™. CO₂ acidifies the water flowing through the reactor and thereby dissolves the media which releases calcium, magnesium, carbonates among other elements and components of the chosen reactor media. A CO₂ filled tank along with a pH probe and preferably a CO₂ controlling system are required and/or highly recommended for proper functionality of the element™ Ca Reactor.

Versatile, compact calcium reactor for up to 250 US gallons/950 liters