★ Scope of application:

It is used to detect and monitor the concentration of aquarium aquarium fish tank. It is suitable for the ornamentation and cultivation of fish tank, aquarium, especially aquatic plants, tropical fish.

★ Consummate Technology:

Made of high-quality glass, the cylinder wall suction cup design, acid and alkali resistance, corrosion resistance, high transparency, adding bright spots to the landscaping of the grass tank.

★ Observe CO2 In Real Time:

When your co2 is off the drop checker solution will be a deep blue color. After co2 has been on for around 2 hours you should notice the color change. Optimal co2 concentration will be at 30ppm which will be a green-light green color. If it remains blue your co2 is too low. If the color turns yellow then your levels are too high and may harm your fish.

★ Easy to install and use:

To use simply fill the drop checker half way with the Co2 Indicator Solution. Place suction cup on the drop checker and place in your planted tank. Wait 2 hours to read Co2 levels.