CalcFeeder V3 AC2 Pro – calcium reactor for up to 2,500 litres
Calcium reactor for marine aquariums up to 2500 l, controlled by an optical CO2 sensor and a touch-screen…
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The CalcFeeder V3 AC2 Pro is a calcium reactor for marine aquariums up to 2500 l. It is designed for keepers who want to hold calcium, carbonate hardness (KH) and other macroelements steady without a pH probe or a separate aquarium computer.
Why it matters
- Optical CO2 control: the reactor uses a sensor with four active LED photodiodes to measure CO2 in the reaction column, which replaces a conventional pH probe.
- Adjustable KH: KH is changed by increasing or decreasing the flow through the reactor from the touch-screen controller.
- Built-in alarm: an integrated speaker signals critical events, including a blocked main pump or an empty CO2 cylinder.
- Flexible feeding and installation: the reactor can run with a dosing pump (PRO set), from a bypass on the main pump, or by gravity, and can be placed in or outside the sump. Optional DC-1 (2.5 l) or DC-2 (7.5 l) degassing columns raise the pH of the water leaving the reactor.
Specifications
- Brand: Pacific Sun
- Model: CalcFeeder V3 AC2 Pro
- SKU: PS CALCFEEDER V3 AC2 PRO
- EAN: 5906660606086
- Rated system volume: up to 2500 l
- Weight: 6.2 kg
- Optional degassing column: DC-1 (2.5 l) or DC-2 (7.5 l)
What it works with
The reactor is intended for marine systems in the Exotic Aquatics category, with a total volume of up to 2500 l. It needs a CO2 cylinder with a pressure regulator and a filter medium such as hydrocarbonate or coral grit, both purchased separately. Adding a DC-1 or DC-2 column is recommended for larger systems where higher reactor output is needed.
Technical specification
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Frequently asked questions
No. The reactor uses an optical CO₂ sensor with four active LED photodiodes to control CO₂ dosing, so a pH probe and a separate aquarium computer are not required.
The set includes the reactor body with the optical sensor, a PRO controller with a dosing pump (24/7), a power supply, a solenoid valve with PE tubing, two tubing holders, 5 m of tubing, and an AquaBee pump.
You need a CO₂ cylinder and pressure regulator, filter media such as hydrocarbonate or coral grit, and optionally a DC-1 (2.5 l) or DC-2 (7.5 l) degassing column.
KH is adjusted by increasing or decreasing the flow through the reactor using the touchscreen controller.
Yes, it can be installed in a sump or outside one. It can run with the dosing pump from the PRO set, be fed by a bypass from the main pump, or work by gravity, which is the least recommended option.
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