1Pc Aquarium Fish Tank CO2 Monitor Grass Cylinder Detector Checker Teste

Features This is a very nice tiny Co2 Glass Checker Made of quality glass Specially for pressurized CO2 system plant tank Used to test and monitor the concentrate of the aquarium plant fish tank No suction cups required Simply hang it on the edge of your planted aquarium Easy maintenance since it is not under water it wont grow algae on the glass C02 indicator reagent not included Specification 100 brand new and high qualityMaterial GlassLength app 6cm 2 36Color TransparentQuantity 1 Pc Package includes 1 x Glass checker C02 indicator reagent not included Details Pictures