Handy CO2 checker for every type of aquarium from small to large. For confirmation against the window pane, you can click on every desired place to be hung. As at several places in the aquarium, the CO2 content to be measured.
In one glance gives this handy CO2 checker the simple answer to the apparently difficult question: If the liquid in the CO2 checker turns green, the CO2 level in the aquarium are optimal for plant growth. Is the color blue, there is too little CO2 and colours the liquid yellow, then there is too much CO2.
The dimensions of the CO2 checker are conveniently opted for any type of aquarium, from small to large. With the supplied suction cup to any desired place against the glass to be confirmed. As at several places in the aquarium, the CO2 content to be measured. This is to verify that the flow is good and the CO2 throughout the aquarium is divided.
Includes: suction cup Exclusive: indicator liquid Diameter: 35mm
Our tip: Choose at time of purchase for the CO2 indicator liquid (link)