ITEM NAME:1 PC Aquarium Carbon Dioxide Monitor Glass Drop Ball Indicator+Suction Cups Descriptio n Description: Maintaining proper Carbon Dioxide (CO2) levels in the planted aquarium is one of the most important factors in the health of the planted aquarium ecosystem. The use of Drop Checker is recommended as it makes it easy to figure out the CO2 level in an anqurium Long term monitor Co2 the color show :Blue - insufficient Co2,Green - sufficient Co2,Yellow - excess Co2 Specifications: Material: Glass Diameter: Approx.2.5cm/0.98inch Size(L x W): Approx. 4.5x4.8cm/1.77x1.97inch Package Included: 1 Piece Drop Checker 1 Piece Suction Cups Note: 1.Due to the manual measurement and different measurement methods, the actual size could be slightly different. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. We offer you what you need! 1 PC Aquarium Carbon Dioxide Monitor Glass Drop Ball Indicator+Suction Cups.We'd like to settle any problem in a friendly manner. We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted. Specifications:Material: Glass.
