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Ultrareef UCS 120 – In Depth Review

danireefBy danireef 4 years ago
Home  /  Equipment  /  Ultrareef UCS 120 – In Depth Review

2014_05_reattore_di_calcio_ultrareef_ucs120_002I’m here today to tell you about the UltraReef UCS 120 Calcium Reactor, recommended for tanks up to 130 gallons, and tested on my 100 gallon reef tank. The reactor is equipped with a solid pump, the Sicce Syncra 1.5, which I tested in the past and found to be a great product (the review).  The UCS 120 comes with all its necessary accessories, including a bubble counter and a probe holder. You only need to add a feed pump, which can be replaced with a deviation from your return pump, a method that I’ve been using for several years. Since this is just the reactor, you also need a CO2 gas cylinder, a pressure reducer, and connecting pipes. 

Technical Specs:

UltraReef UCS 120
Total height 22.4 in
Diameter 4.72 in
Thickness 0.12 in
Ground base 5.12×7.48 in
Pump Sicce Syncra 1.5
Height free to fill ~ 11.8 in
Capacity 0.8 gal
Price ~ $422
Annual electrical bill $48-$60

  The reactor is aesthetically pleasing, constructed with a central acrylic column and a lathed base and the cap. The connecting pipes are made of grey PVC, and it is built and assembled entirely in Italy. Calcium reactor UltraReef UCS 180 The screws used for this reactor are stainless steel AISI316, but they may eventually be made of titanium. 

Working principles

  The reactor is a classic cylinder, with an external air recycle system and an empty internal cylinder, ready to be filled with media. Water is pushed in by an external pump (not included), or by a deviation from the return pump, directly under the cover of the reactor. From here, water is sucked by the pump and mixed with CO2 as it’s pushed down to the base of the reactor where it is diffused through a perforated circular plate about 4.7 inches wide. The Sicce pump moves 0.3 gallons per hour and the head is 67 inches in our test. Calcium reactor UltraReef UCS 180Above is a close-up of the diffusion plate Pictured below is the cover, which has the probe holder, water inlet and outlet, and the CO2 input from the bubble counter. Calcium reactor UltraReef UCS 180 The construction, internal circulation, and concave structure of the top cover guarantees a complete CO2 recovery. A non-return valve and a drain valve are included (the picture below shows where I replaced it with a different drain valve for greater accuracy) 

Calcium reactor UltraReef UCS 180

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Danilo Ronchi, aka DaniReef lives in Italy where he is hydraulic engineer, but starting from his love for reef aquarium and photography, he began to write about marine aquariums from 2006 and now he's published his first book "Marine Aquarium". From 2007 Danilo writes on his blog danireef.com where publishes articles, pictures, product reviews, aquariums coverage, reportage and history of his tank. Now he's happy to be part of Reefs.com

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