Yuly CO2 Drop-Checker Glass Carbon Dioxide Monitor CO2 for Planted Aquarium Fish for Tank CO2 Detector Mini Size Aquarium Heater Light Thermometers Gravel Sand Decorations

CO2 Drop-Checker Glass Carbon Dioxide Monitor CO2 for Planted Aquarium Fish for Tank CO2 Detector Mini Size aquarium heater light thermometers gravel sand decorations filter fish tank filter decorations light heater cleaner gravel fish tank stand decor stone ornaments rockery sponge wool aquarium supplies fish tank supplies Features: This is a very nice tiny Co2 Glass Monitor. quality glass. Specially for pressurized CO2 system for tank. Used to test and monitor the concentrate of the aquarium water fish for tank. No suction cups required. Simply it on the edge of your planted aquarium. Easy maintenance, since it is not under water, it won'for t grow algae on the glass. C02 reagent not included! Specifications: Material: Glass Length: app. 6cm/2.36'' Color: Transparent Package Includes: 1 x Glass Monitor (C02 reagent not included) Note: 1.Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!