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  • Just a quick note to thank you again and express my appreciation for all your help on this purchase. Your guys are great!
    - Rich
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  • I was kind of leery about shelling out that kind of money without knowing what kind customer service I would get. Not anymore! I now feel like I made a wise choice.
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  • Thank you, John, for your prompt attention... I will definitely order from you guys again!
    - Jack
  • Tank is gorgeous. Whole family is loving it. Now we're spending our evenings watching it instead of TV!
    - Joan
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    - Janet
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    - Jimmy
  • The tank was delivered safe and sound. More over... the way it was packaged up for shipment was Excellent!
    - Darren
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    - Marlene
  • Just wanted to say thanks again for all you and your team did in assisting me with the fish tank. It looks great and I'm a very satisfied customer.
    - Scott
  • Thank you, John!!! Great customer service... give yourself a pat on the back!
    - Dary
  • Thank you sooo much for all your help. We love our new acrylic tank and setup. Everything is so much clearer and the color of the fish is much truer.
    - Jone H
Tunze CO2 Controller 7074

Tunze CO2 Controller 7074

Model #:
8 x 12

Product Description

Measuring range pH 1 - 14
Display accuracy ± 0.01 pH
Switching range pH 5 - pH 9
Metering time adjustable abt. 2 - 6 min
etering break or without 5 - 15 min
Ambient temperature 0°to 45° Celsius (32 to 113 °F)
Dimensions 156 x 83 x 30 mm
2-year manufacturer`s warranty.

The Tunze CO2 Controller Set (7074/2) consists of pH Controller 7070/2, CO2 valve kit 7074.11 (including power supply unit 5012.01).

The pH controller precisely monitors the pH of the aquarium and opens or closes the CO2 valve as needed to ensure precise dosing of CO2. The 12 Volt CO2 valve is nickel-coated to prevent against corrosion. Great for use with calcium reactors or freshwater CO2 injection systems.

TUNZE digital measuring instruments have been developed especially for the use in aquariums. The instruments with their electrodes operate at a high accuracy and are comparable with laboratory instruments in quality. The clearly arranged operating panel with key pad and adjustment buttons ensure fast and practical handling. The controller comes with parts for two different types of wall mounting.

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