Aquarium CO2 Indicator Solution Term Monitoring Fish Liquid Test for Aquarium Fish

DIRECT USE: Aquarium CO2 indicator solution can be used directly without dilution, avoiding the effect of different water quality. FAST SPEED: Fish CO2 indicator solution is easy to use, just squeeze and drop the solution out of the bottle. Fast time, results can be displayed in 2‑3 hours. CO2 INDICATOR SOLUTION: The blue, green and yellow solution corresponds to low, medium and high CO2 concentration, so you can identify the CO2 concentration at a . Item Type: Aquarium CO2 Indicator Solution Bottle Material: Plastic