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 won’t grow algae on the glass.
-C02 indicator reagent not included!
Specification:100% brand new and high quality
Package includes:1 x Glass checker (C02 indicator reagent not included)