CO2 Drop Checker Glass Carbon Dioxide Monitor CO2 for Planted Aquarium Fish Tanks CO2 Detector Size Aquarium Heater Light Thermometers Gravel Sand Decorations Fish

About this item Special Design: The carbon dioxide will seek a point of between the solution and the aquarium water. Package Include: 1 x Aquarium Fish Tank Carbon Dioxide CO2 Monitor Glass Drop Ball Checker Tester Application: A CO2 checker is an essential tool for CO2 levels in the aquarium. The CO2 checker is a reservoir designed to contain an solution and an Quality Workmanship: Glass material, safe and