Betapet CO2 Round Monitor Checker with Reagent Indicator

Betapet Aquarium CO2 Monitor Carbon Dioxide Glass Drop Checker with 15 ml Monitor Fluid.
Colour of liquid reagent 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 and shrimp to die of oxygen deficiency (Yellow Reagent Colour).

Concealed glass groove is easy to open and fill into liquid. The monitor liquids can be directly dropped into and use.

Apply to Fish tank, aquarium, especially aquatic plants, tropical fish to watch and cultivate for fish tank.