- CO2 Drop Checker: Efficiently monitor the CO2 levels in your aquarium with our premium glass drop checker. This essential tool ensures your fish thrive in optimal conditions. - Multi-Choice Options: Choose from four distinct glass CO2 checkers. Two models include suction cups (included) for easy attachment, providing versatility for your setup. - User-Friendly Design: The CO2 detector is designed for easy use. Simply fill the drop checker with the appropriate solution (not included) and place it in your planted aquarium. Readings are available within approximately two hours, allowing for quick adjustments. - Compatibility: Specifically designed for pressurized CO2 systems, this drop checker integrates seamlessly with your aquarium setup, ensuring precise monitoring of CO2 levels. Applications: 1. Ideal for planted tanks where CO2 supplementation is essential for healthy growth. 2. Perfect for aquarists looking to maintain optimal water conditions for fish and aquatic plants. 3. A valuable tool for hobbyists who want to prevent CO2 fluctuations that can harm aquatic life. Make informed decisions about your aquarium's health with our reliable CO2 Drop Checker. Designed for accuracy and ease of use, it's the perfect addition to any aquarist's toolkit.