Ista CO2 Indicator for Planted Aquariums - Monitor CO2 Levels

The Ista CO2 Indicator is a carbon dioxide indicator that shows the CO2 level in planted aquariums, helping aquarium keepers track conditions for healthy plant growth.

Because plant health depends on stable CO2, this test kit lets you check your tank regularly with an easy color scale.

Key Ingredients

• Full ingredient list on packaging

How to Use

1. Fill the test vessel with approximately 1.5 ml of aquarium water.
2. Add 3-4 drops of Ista CO2 Indicator to the vessel.
3. Attach the indicator to the inside of the aquarium using the suction cup, keeping it fully vertical.
4. Place the color scale close to your aquarium.
5. Wait about 1 hour before reading the color for an accurate result. Yellow indicates high CO2, green indicates ideal CO2, and blue indicates low CO2.

• Color-coded reading for high, ideal, and low CO2 levels
• Suction cup mount for vertical placement in the tank
• Indicator remains effective for about 3 weeks; repeat the test as needed
• Keep the test box inside the aquarium and rinse before use
• Product code: I506