Exclusive 2.0 – CO₂ kit with solenoid valve and pH controller + 8‑litre cylinder
Complete CO2 set for planted freshwater aquariums, built around the AquaViva Pro pH controller…
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This set suits planted freshwater aquarists who want CO2 supply controlled by pH instead of manual adjustment. It combines a pH computer with a solenoid-valve regulator, so gas is switched on and off automatically, and it includes the cylinder, diffuser and tubing needed to start.
Why it matters
- The AquaViva Pro controller switches the solenoid valve on and off according to the measured pH, which keeps CO2 at a safe level in the water, especially at night when plants take up less CO2 and pH drops.
- The pH probe (200 cm cable) and temperature probe (150 cm cable) feed the controller, which compensates readings for temperature changes.
- The Aquario Professional 2.0 regulator has a bubble counter, a precision needle valve, a non-return valve and two gauges showing cylinder pressure and working pressure, which helps estimate gas consumption.
- The glass nano diffuser uses a microporous ceramic sinter and releases gas across its entire surface, which the manufacturer links to better dissolution and lower losses.
Specifications
- Cylinder: 8 L, 77.5 cm high (78.5 cm with handle), 14 cm diameter (AquaRio Blue 8 L)
- pH control range: 5.0 to 9.0 pH
- pH display range: 1.0 to 13.0 pH
- pH accuracy and reading resolution: 0.1 pH
- Temperature reading range: 10 °C to 40 °C
- Controller dimensions: 7 x 2 x 10 cm
- Diffuser: 20 mm
- Gas tubing: 3 m
- pH probe cable: 200 cm; temperature probe cable: 150 cm
- Power supply cable: 120 cm
- Calibration buffers: pH 4 and pH 7, with a three-cup calibration beaker
What it works with
The set is designed for freshwater planted aquariums where CO2 is the limiting factor for plant growth. The controller handles pH-based dosing, so it fits a range of tank sizes that the 8 L cylinder can supply, provided the dosing rate matches the volume. The controller can be mounted on the cylinder pocket with a strap or on a cabinet.
Technical specification
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Frequently asked questions
The cylinder is 77.5 cm tall (78.5 cm with the handle) and 14 cm in diameter, so measure your space before ordering. The pH controller can be mounted on a cabinet instead of using the cylinder pouch.
The pH controller reads the water through its pH probe and switches the solenoid valve on and off automatically, with a setting range of 5.0 to 9.0 pH. It also measures temperature and compensates for temperature changes.
The set includes 4 pH and 7 pH calibration buffers and a triple calibration cup. The controller also has a built-in calibration function.
The solenoid valve connected to the pH controller doses CO2 automatically, which according to the manufacturer helps keep CO2 at a safe level mainly at night, when plants don't take up carbon and pH drops.
The kit includes the reducer with solenoid valve, a 20 mm diffuser, a 3 m hose, the 8 L cylinder, a wrench, a pH probe (200 cm cable), a temperature probe (150 cm cable), a power supply (120 cm cable), and instructions in Polish and English.
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