ITEM NAME:Durable Glass Drop Checker CO2 Monitor For Planted Description: Aquarium CO2 Monitor Carbon Dioxide Glass Drop Checker. Different color of liquid represents different concentration of CO2. BLUE means that CO2's concentration is too low. GREEN means it is normal. YELLOW means that CO2's concentration is too high, excessive CO2 may cause shrimp to die of oxygen deficiency. Concealed glass groove is easy to open and fill into liquid. Note: Liquid is not included. Specification: Material: Glass Liquid: 15ml Suitable For: Long-term CO2 monitoring Size: 115x115x40mm / 4.53x4.53x1.57inch Package Includes: 1 Piece Glass CO2 Monitor SKU: ALU0008030464030300.Aquarium CO2 Monitor Carbon Dioxide Glass Drop Checker. Different color of liquid represents different concentration of CO2. 1 Piece Glass CO2 Monitor. Concealed glass groove is easy to open and fill into liquid.
