- Reef Octopus CR100 4" Calcium Reactor
Maintain the calcium and alkalinity in your reef tank with CR100 Calcium Reactor from Reef Octopus.
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.
Well Stocked Tank - Rated up to 90 gallons
Medium Stocked Tank - Rated up to 125 gallons
Light Stocked Tank - Rated up to 150 gallons
- 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
- Body Size: 4”
- Foot Print: 9.5” x 7.5”
- Total Height: 20”
- Media Capacity: 1.7L
- Inlet Size: 1/4"
- Max Feed Rate: 150 GPH
- Suggested feed rate is slightly higher than a full flowing influent
Aquatrance 1200 Pump Features:
- Quiet operation
- Power Consumption: 15 Watts
- 1 year on pump
- 1 year on reactor body
Is this unit internal or external and why isn't t indicated in the description ?
The design of all calcium reactors will be internal or external however you need. They are all sealed off containers and can be in the sump or run externally as needed.