Dennerle CO2 QuickTest

Tests CO2 levels in aquarium Contains 2 tests Quick and easy results within seconds Use the Dennerle CO2 QuickTest to get a visual read on how much dissolved CO2 is in your aquarium. Simply add water to the test tube and shake for a few seconds. Then compare to the color chart to see the results. This kit contains two tests. You only have to measure the water because the reagent is already inside of the tube. Instructions: – Fill test tube half full with aquarium water – Seal tube with the cap – Shake several times until the reagent is dissolved – Compare color of solution with the color fields. Colors based on CO2 content: – Yellow = too much CO2– Yellow-green = much CO2– Green = CO2 ideal – Green-blue =  little CO2  – Blue = too little CO2