Elos REA 120 Ca Reactor

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Elos REA 120 Ca Reactor

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  • Elos REA 120 Ca Reactor


Besides the supply of invertebrates a constant level of calcium, Calcium Reactors play an important role in the buffering capacity of the water. If this capacity is kept high the tendency of declining pH value (due to the metabolism of diverse micro-organisms) is reduced considerably. Calcium reactors with different efficiency and different designs are present on the aquarium market since several years. Common models consist of large columns, which are filled with coral skeletons or Calcium Carbonate Medias. In order to satisfy userâ needs ELOS produces a complete range of Calcium additives plus a range of Calcium Reactors.

The ELOS REA 120 pressurized calcium reactor, allows in a simple, elegant and very efficient way, the production of calcium, drastically reducing the level of free carbonic acid introduced into the aquarium' water. Thanks to the patented in-pressure system, CO2 is mixed with the water into the external chamber and, more than that, it is keept at an high pressure. CO2 which have not been totally mixed-up, is re-catched from the pump and is injected into the external reaction chamber again. In this way not a single bubble can leave the reactor without having been mixed-up to the water. The Media (preferably calcium carbonate ELOS Ca Pur), introduced into the inner chamber, is then submerged by low pH water thus releasing, drop by drop thanks to the supplied tap, the effluent rich in Calcium. Thanks to the over-pressure present in the external chamber, the ELOS REA 120, make use of almost all the supplied CO2 drastically reducing the possibility to release free CO2 into the aquarium. Thank to the combination of these characteristics our reactors combines a measurable high efficiency with small dimension.

The NEW MODEL permits also to be installed as a traditional "GRAVITATIONAL" reactur thus permitting even higher performances with a slight more consumption of CO2 HIGHLIGHTS: NOW can work also as a standard "GRAVITATIONAL" reactor for external use and if required, fully submersible acrylic, Ozone safe body very practical, micro-adjustable miniature taps wide-open access to reaction chamber best quality fittings very low level of CO2 consumption


  • Suggested aquarium size: max 500 lt (130 gal)
  • Supplied pump: EHEIM 1250
  • Dimensions: Total Height: 38 cm.
  • Ext Chamber: Diameter 12 cm.
  • Int Chamber: Diameter 10 cm.

Quick Overview

Elos REA 120 - Calcium reactor for aquarium up to 500 lt. (130 gal)

Additional Information

Manufacturer Elos