


- This pack contains 1 indicator solutions of 30 ml each.
- Highest Quality CO2 test reagent. Monitoring CO2 levels in your planted aquarium is very important for the health of your plants and fish.
- A must-have for all aquarium owners.
- To use simply fill your drop checker halfway with the CO2 indicator solution (no need to mix with tank water!). Place the drop checker in your planted tank. Wait 1 hour to read CO2 levels. Green: that’s the right balance of CO2; yellow: too much CO2; blue: too little CO2.
- Package included: 1 x 30ml CO2 indicator solution.