Aquarium Fish Tank Hang On Co2 Monitor Grass Cylinder Detector Checker Tester

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 water 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.

Specification: Material: Glass Length: app. 6cm/2.36'' Color: Transparent Quantity: 1 Pc Glass checker

Note: 1.Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

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