"Classic"
Calcium Reactor 418

The original GEO design
-Top down flow through the chamber
-All cell cast acrylic construction
-Clear lid to view proper O-ring seal
-Key hole slot for lid removal
-Full access to the reaction chamber (union tops do not provide this, making maintenance a chore)
-Micro ball valve effluent control
-Maxi-Jet 600 mixing pump
-Acrylic bubble counter
-7 x9 foot print, 21" overall height
-Holds 6 +pounds of media depending on grain size
-For reef aquariums up to 125 gallons
-Does not include probe holder

The original GEO reactor is back! This is the design that started the GEO product line and is what the larger models are based on. We put this back into production to offer a high quality no frills reactor at an affordable price. The 418 is suitable for aquariums up to 125 gallons and is built to fit the needs of the average sized reef. Don't be fooled by the small size these are true performers like any of the other reactors in the GEO line up, and just like the other GEO products they are built with the end user in mind. 

Calcium Reactor Instructions

Pump Installation Instructions