CO2 Drop Checker Solution

CO2 Drop Checker Solution Description: Aquarium CO2 Monitor pH Indicator Solution Specification: Suitable for Long-term CO2 monitoring How to use: 1. Will test agent about 15(or according to the actual amout) drops into the monitor, no need to add water 2. Change again every 30 days, airtight preservation at room temperature. 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. Package includes: 1 x Test solution How to Use Drop Checker Glass