Pawfly Glass CO2 Drop Checker for Aquarium CO2 Indicator for Planted Fish Tank CO2 Monitor Kit with Solution & Suction Cups CO2 Detector Aquarium CO2 Tester Fish Tank Carbon Dioxide Checker

Complete CO₂ Monitor Kit: Everything you need for precise CO₂ monitoring! Include curved glass tubing, a bottle of reagent solution, and 2 suction cups. Effortlessly keep track of the CO₂ level in your planted aquarium right at home

Easy to Use: Simply add 20 drops of reagent into the tubing, and attach it vertically to your tank wall using a suction cup. (NOTE: The tubing opening must face down!) Accurate results will appear in about 2 hours. Extremely convenient and time-saving

Simple Result Interpretation: Instant analysis at a glance through the reagent’s color changes – Green or Light Green indicates perfect CO₂ balance; Yellow warns of excessive CO₂; Blue signals insufficiency of CO₂. No more guesswork in tank care

Safe & Reliable: Made of thick, smooth glass, the CO₂ drop checker won’t crack easily or scratch the delicate skin of your fish. Ultra-clear design ensures easy color reading. The strong suction cups provide secure, stable mounting at all times

Essential CO₂ Indicator: A must-have for serious planted tank enthusiasts and aquarium professionals. Effectively help maintain optimal plant growth and fish vitality. Create your thriving underwater paradise with confidence