








Maintain a thriving planted aquarium with the ARKA mySCAPE-CO2 Checker. This simple and reliable tool provides continuous monitoring of CO2 levels, essential for healthy plant growth and stable water parameters. The colour-coded indicator fluid makes it easy to visually assess CO2 concentration, ensuring optimal conditions for your aquatic plants.
The mySCAPE-CO2 Checker features an elegant glass design that seamlessly integrates into any aquascape. It’s easy to set up – simply fill the drop checker with the included 15ml indicator solution, attach it to your aquarium glass with the strong suction cup, and start monitoring. No complicated test kits or calculations are required.
Main Features
- Continuous CO2 level monitoring
- Easy-to-read colour-coded display
- Elegant glass design
- Ready-to-use with included solution
Pros
- Simple to use and understand
- Provides continuous CO2 monitoring
- Visually appealing design
Cons
- Requires occasional refilling of the indicator solution
- Only indicates CO2 levels, not other water parameters
| Feature | Details |
|---|---|
| Type | CO2 Drop Checker |
| Solution Volume | 15 ml |
| Material | Glass |
| Compatibility | All CO2 systems |
Buyer Tips
- Place the drop checker in an area with good water circulation for accurate readings.
- Allow a few hours for the indicator solution to equilibrate after initial setup or refilling.
- Regularly check the CO2 levels to ensure consistent plant growth.
- The colour change provides a general indication; fine-tune CO2 dosing based on plant health.
FAQ – Frequently Asked Questions
How does the CO2 checker work?
The CO2 checker contains a special indicator fluid that changes colour based on the amount of CO2 dissolved in the aquarium water. Green indicates an optimal level, blue indicates low CO2, and yellow indicates high CO2.
Is the indicator solution included?
Yes, the ARKA mySCAPE-CO2 Checker includes a 15ml bottle of ready-to-use indicator solution.
Can I use this CO2 checker with any CO2 system?
Yes, the CO2 checker is compatible with all CO2 systems, including ARKA mySCAPE-CO2 setups and other brands.
Where should I place the CO2 checker in my aquarium?
The CO2 checker should be placed inside the aquarium, attached to the glass with the suction cup, preferably in an area with good water circulation.
How often do I need to refill the indicator solution?
The indicator solution should be refilled when it becomes discoloured or after a significant water change. The frequency depends on your aquarium conditions.

