Cobella Checker Indicator Capacity Aquariums Review

Material: The CO2 drop checker is made of premium thick glass material, with high transparency, non toxic, safe and durable, easy to measure CO2 levels at a glance. Item Size: This glass drop checker is about 4.5cm/1.77" in height. Apply to fish tank, aquarium, especially aquatic plants, tropical fish to watch and cultivate for fish tank. Feature: Monitoring CO2 levels in your planted fish tank is very important for the health of your plants and fish. And the CO2 indicator 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 into the glass drop checker and make sure it is stored in the bulbous side of the valve with the opening facing down. Place suction cup (included) on the drop and attach the co2 drop checker to the side of your tank, completely submerge it in the tank water. Wait 2 hours to read Co2 levels. (NOTE: The CO2 indicating solution is NOT included in this package.). Please Note: The indicator solution will turn from Blue to Yellow as dissolved CO2 levels increase, blue represented CO2 insufficient; Turns green, the balance of CO2; Turns yellow, means your tank has too much CO2.