Calcium reactors are designed to produce calcium and alkalinity for your aquarium. They do this by using carbon dioxide (CO2) to dissolve old coral skeleton or other calcium carbonate media which is then dosed or dripped into the tank. When used properly, Calcium Reactors provide a very precise method of maintaining calcium and alkalinity levels within a reef aquarium.
These reactors provide a simple solution for maintaining and stabilizing calcium and alkalinity for maximum growth of corals. Featuring a compact design and the use of quality material and read more ››
A high magnesium reactor media. ARM™ Extra Coarse is a complete reactor media containing not only calcium and carbonate, but essential trace elements as well. This Extra Course version has the read more ››
Great for dosing CO2 in a planted aquarium or for use with a calcium reactor. Includes flow regulator, needle valve, electronic solenoid & bubble counter. Unit comes with dual gauges each with dual read more ››
The already best-selling Kalkreacktor (Calcium Reactor) in Germany has become even better. The new and improved Korallin kalkreaktor allows a simple, elegant and high efficiency production of calcium read more ››
The already best-selling Kalkreaktor (Calcium Reactor) in Germany has become even better. It completely replaces Kalkwasser, 1 or 2-part Calcium/Buffer powder and liquid dosing. The new and improved read more ››
Some products, due to weight or size of the item, require additional shipping charges. These items are indicated by the " " symbol.
If you want to know how much your shipping costs will be, just add the item to your shopping cart and your shipping costs will be adjusted to reflect the additional shipping charges. You can then decide if you wish to order the item or not.