Material: Made of high quality glass, which is non-toxic, safe and durable.
Advantage: The color is transparent and easy to be observed. The U-shaped design, no need for suction cups, to simply hangs it on the edge of the aquarium.
Use: It is used to monitor the level of CO2 in the aquarium, so that you can replace the water in time.
Easy to use: Make sure your test kit is clean. Drop the carbon dioxide indicator (not included) into the glass CO2 monitor and hang the inlet towards the inside of the aquarium. Wait for about two hours to know the result.
Widely applications: Suitable for fish farming tanks, aquariums, aquatic plants and aquaculture, etc. (Note: Glass products are fragile, please be careful when opening the package and using the product to avoid injury.)