CO2 Drop Checkers

Orb style glass CO2 drop checker for nature aquarium Use to easily monitor your planted aquarium CO2 levels includes one suction cup includes one bottle of ph indicator reagent *We recommend to purchase GLA 4dKH analytical standard and...

Glass planted aquarium CO2 drop checker. Use to measure CO2 levels at-a-glance. Included: One (1) Suction Cup One (1) bottle of pH Indicator Reagent (10 mL) **We recommend you also purchase GLA 4dKH analytical standard to create proper CO2 Indicator...

CAL AQUA LAB's Oracle is designed with elegance and exceptional functionality. Unique to the Oracle is a small white column at the center of the solution chamber. The white background of this column facilitates precise color identification when observing...

4° KH or 4 dKH LAB CERTIFIED ANALYTICAL STANDARD - 118ml (4 oz) bottle CO2 Level Indicator Fluid: 71.44ppm Alkalinity as CaCO3 * ships with / includes pipette for ease of filling drop checker with indicator fluid 4 dKH fluid is used in a CO2 drop...