AquaVascular CO2 Drop Checker Solution & Glass (Combo Pack)

AquaVascular CO2 Drop Checker Solution & Glass Glass drop checker Suction cups included. Glass drop check is about 5cm/2.36″ in height AquaVascular CO2 Drop Checker Solution – 20ml Packaging 1 x glass drop checker 1 x suction cup 1 x Test solution – 20ml How to use: 1. Will test agent about 15 drops (or according to the actual amount) into the monitor, no need to add water 2. Change again every 30 days, airtight preservation at room temperature. 3. Indicator is 4dKH, After every major water change indicator need to be replaced if you are using RO water Note: Simply add couple drops of test solution into the checker. Stick the checker on the inside edge of the aquarium. Ensure water level cover the opening of the checker.