Glass Aquarium CO2 Indicator Fish Tank Liquid Tester Monitor Plants Grass CO2 System Drop Checker  For Fish Tank Aquatic Planted
Features:
High quality material, stable and durable
Useful tool for monitoring CO2 levels in the aquarium.
Makes it easy to figure out the CO2 level in an anqurium.
Use with CO2 PH Indicator(not included)
 The change of the three colors of the detection fluid indicates the CO2 concentration of the fish tank.
Blue: low concentration of co2, poor aquatic plants, slow growth
Green: The concentration of co2 is normal, which guarantees the photosynthesis of plants and the safety of fish and shrimps.
Yellow: The concentration of co2 is too high, causing the fish and shrimp to die due to hypoxia.
The indicator made of glass is corrosion-resistant, simple and beautiful.
specifications:
Product name: Aquarium CO2 Indicator
Size:as picture
Materia:Glass
Package included: 1Pc Carbon Dioxide Monitor