About This

• CO2 drop checker made of high quality glass, use to measure CO2 levels at a glance
• Indicator color chance shows results: The CO2 indicator (not include) color is blue, when it is blue represented CO2 insufficient; Turns green, the balance of CO2; Turns yellow, means your tank has too much CO2. Make the necessary adjustments and test until you get green.
• Monitoring CO2 levels in your planted aquarium is very important for the health of your plants and fish. Can keep the CO2 levels in your tank consistently by checking it regularly
• Easy to install and use: Make sure your test kit is clean. Drop 5 drops of CO2 indicator(not include) into the glass checker and use straw to fill the tank water with the test solution area to 1/2. Then turn the opening facing of drop checker down. Use a sucker to attach it to the side of your tank and wait for up to 2 hours
• Apply to: fish tank, aquarium, especially aquatic plants, tropical fish to watch and cultivate for fish tank. Monitor to be installed below the water surface about 10cm, it is recommended not to install too far from the refiner. (Note: Glass products are fragile, please be careful when opening the package and using the product to avoid injury.)