Reef Octopus

SRO CR3000D 7" Calcium Reactor

In stock
Out of stock
$799.99 $799.99

- +

Maintain the calcium and alkalinity in your reef tank with a high-performance dual chamber calcium reactor from Reef Octopus. The Super Reef Octopus CR3000D 7" Dual Calcium Reactor has all the performance you've come to expect from the expert series of Super Reef Octopus.

  • Rated for aquariums up to 375 gallons
  • Reverse flow and CO2 recirculating design
  • Water Blaster Blaster 3000 Recirculation Pump
  • pH probe holder included (probe sold separately)


A calcium reactor is used to maintain a balanced amount of calcium and alkalinity in your reef tank. In order to use a calcium reactor, you will need a CO2 regulator, CO2 tank, pH probe/controller, small feed pump (flow rate should be set 1-2 liters per hour) and calcium reactor media.


Filtration Handling

Well Stocked Tank - Rated up to 315 gallons

Medium Stocked Tank - Rated up to 350 gallons

Light Stocked Tank - Rated up to 400 gallons



  • High-performance reverse flow design
  • Control the reactor with CO2 needle valve and the effluent valve
  • Auto fill bubble counter
  • pH probe holder
  • Easy to remove lid
  • Precision effluent control valve
  • Solid construction
  • 1/4" quick connect fittings


Reactor Specifications:

  • Body Size: 7”
  • Foot Print: 15.8” x 13.4”
  • Total Height: 22.8”
  • Media Capacity: 11.5L
  • Inlet Size: 1/4"
  • Max Feed Rate: 150 GPH
  • Suggested feed rate is slightly higher than a full flowing influent


Water Blaster 3000 Recirculating Pump Features:

  • Quiet operation
  • Silicone Nitride shafts and bearings to resist the build-up of calcium
  • Power Consumption: 32 Watts


Manufacturer's Warranty

  • 2 year on pump
  • 1 year on reactor body


Item #: SRO-CR3000D

More Information
UPC 6950291210227
Media Capacity 8 Cups / 1892mL, 9 Cups / 2129mL, 10+ Cups / 2365mL
Reactor Placement External, In Sump
Write Your Own Review
You're reviewing:SRO CR3000D 7" Calcium Reactor
Your Rating
Only registered users can write reviews. Please or

Product Questions

No questions yet. Be the first to ask the question!