Standard Parcel shipping: $19.99. This item does not qualify for free shipping.
CO₂ cylinder and gas, diffuser/calcium reactor, and optional external controller are sold separately. Confirm cylinder connection and downstream pressure requirements. External controllers require suitable switched power control; not a HYDROS Drive Port accessory.
Meter CO₂ delivery electronically for a planted freshwater aquarium or compatible reef calcium reactor. The CarbonDoser V2 uses an electronic valve to release timed portions of gas, with a dial to adjust the interval between pulses.
The remote control box can mount separately from the cylinder and pressure regulator, helping keep the adjustment dial accessible.
- Electronic pulse control instead of a conventional needle valve for dosing adjustment.
- Separate regulator assembly and mountable electronic dosing box.
- John Guest push-in fittings.
- Includes CarbonDoser check valve and polyurethane tubing: ⅛-inch regulator-to-box line and ¼-inch output line.
Sold separately: CO₂ cylinder and gas, diffuser or calcium reactor, and optional external timer/pH controller. Confirm cylinder fitting and downstream operating-pressure requirements before ordering. External controllers require suitable switched power control; this is not a direct HYDROS Drive Port accessory.
Shipping: Standard Parcel shipping is $19.99. This item does not qualify for free shipping.