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Carbon Dioxide (Co2) Test Kit

CO2 test kit with pre-made reagents that reads CO2 in ppm, to help you hit 30 ppm.

Regular price $79.99
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  • Rural and South Island addresses can take a little longer.
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Description

The Carbon Dioxide (CO₂) Test Kit is the only test kit available in New Zealand that reliably and accurately measures the amount of CO₂ in ppm in your aquarium. Designed for aquascapers utilizing CO₂ injection, this essential tool provides precise readings that allow you to fine-tune your CO₂ dosing for optimal plant growth and aquarium balance.

Using this test kit, aquarists can measure CO₂ levels in three ranges (0–10 mg/L, 0–50 mg/L, and 0–100 mg/L) through a simple titration process. The kit includes all the necessary reagents and tools to conduct up to 110 tests, ensuring long-term usability and value.

Expert Recommendation:
According to The 2HR Aquarist, aquarists should aim for 30ppm of CO₂ to maximize the benefits of CO₂ injection. Maintaining this level supports lush plant growth, minimizes algae outbreaks, and helps create a thriving, balanced ecosystem. Regular testing ensures your CO₂ levels remain consistent, especially in high-light aquariums.

Key Features

  • Precise Measurements: Measures CO₂ levels in ppm (0–10 mg/L, 0–50 mg/L, 0–100 mg/L) with reliable accuracy.
  • Unique to New Zealand: The only test kit available locally for accurate CO₂ measurement in aquariums.
  • Comprehensive Kit: Includes all reagents and tools needed for up to 110 tests.
  • User-Friendly: Easy-to-use titration method, suitable for both beginner and experienced aquarists.
  • Optimal CO₂ Targeting: Helps aquarists achieve the ideal 30ppm level recommended by The 2HR Aquarist.

Instructions for Using the Carbon Dioxide (CO₂) Test Kit

  1. Prepare the Test Sample:

    • Collect a water sample from your aquarium in the provided test vial. Fill it to the marked level (usually 5 mL).
  2. Add the Reagent:

    • Add the specified number of drops of the indicator reagent to the vial, as instructed in the kit manual.
  3. Titration Process:

    • Slowly add the titration solution drop by drop while gently swirling the vial after each drop.
    • Continue adding drops until the water changes color, typically from blue to yellow (the endpoint color may vary depending on the kit instructions).
  4. Count the Drops:

    • Record the number of drops used to reach the color change.
  5. Calculate the CO₂ Concentration:

    • Use the chart provided in the kit to match the number of drops to the corresponding CO₂ concentration in ppm (mg/L).
  6. Adjust Your CO₂ Injection (if needed):

    • If your CO₂ levels are below the recommended 30ppm, consider increasing the flow rate on your CO₂ regulator.
    • If levels are too high, reduce the flow rate to avoid stressing fish or other aquarium inhabitants.
  7. Rinse and Store:

    • Rinse all testing equipment thoroughly with clean water after use.
    • Store the test kit in a cool, dry place away from direct sunlight.

Why Choose This Test Kit?

This CO₂ test kit is indispensable for aquascapers using CO₂ injection, providing the precision needed to fine-tune dosing and achieve the best results. By maintaining the recommended 30ppm CO₂ level, aquarists can ensure vibrant plant growth, healthier fish, and a stable aquarium environment.

  • 5 stars: 4 (80%)
  • 4 stars: 1 (20%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
D
David Allan (New Zealand)
Works well

Works well.

R
Richard Spensley (New Zealand)
Easy to use and accurate testing kit

Easy to use and accurate testing kit. Only issue is the first small bottle is a bit too easy to release the (toxic) liquid from and would be better if it was more like the API droppers that need a good squeeze to get one drop from. Apart from that it’s plain sailing and was really helpful to dial in the right amount of CO2 injection. Making this part of our ongoing testing regimen.

T
Tom (Australia)
Quite good

Very happy with this kit. Quite easy to use, it’s Hanna so you know it’s accurate, and very nice piece of mind knowing you aren’t injecting too much co2

M
Martin (New Zealand)
Awesome stuff

Definitely makes me feel like a scientist when I test my co2 levels, but worth the effort. Super cool being able to test co2 and also pretty darn important when trying to balance a tank. Would recommend investing in this, and you get heaps of tests out of it!

A
Amber (New Zealand)
What a great product

When I received this kit my first thoughts were that it was complicated. This turned out to be false. Very simple to use it has given me peace of mind on what the CO2 levels are in my tank. I highly recommend investiging in this kit.