Ocean Free Co2 indicator used to contantly monitor Co2 Levels in a planted aquarium. Indicators are a must have in order to monitor Co2 level in any Aquariums weather it be pressurized or DIY.
- Allows user to monitor their aquariums Co2 levels from any angle round the clock.
- Smart conical design prevents any chance of the indicator solutions from spilling into your aquarium.
- Reusable stick-on colour chart makes it convenient for location change when needed.
What's in the box ?1 x Co2 indiator cone.1 x Co2 indicator Liquid.1 x Co2 indicator sticker.