Glass CO2 Indicator for Aquariums with Suction Cup

Accurately Monitor CO2 Levels in Your Aquarium

Maintain a stable, healthy environment for your aquatic plants and fish with this Glass CO2 Indicator. Crafted from high borosilicate glass, it offers excellent clarity, durability, and chemical resistance, allowing you to clearly see CO2 level changes at a glance. The compact, low-profile design integrates neatly into most freshwater planted aquariums without distracting from your aquascape.

This indicator works through a simple color-change system, helping you visually track dissolved CO2 levels in the water. Installation is straightforward: attach the included suction cup to the inside wall of your aquarium, fill the indicator with the appropriate CO2 indicator solution (not included), and position it in an area with good water circulation. No batteries, wiring, or charging are required, providing continuous monitoring with minimal maintenance.

Why It's a Smart Choice

• Clear CO2 visibility - Color changes allow you to quickly assess whether CO2 levels are low, optimal, or high for your plants and fish.
• Durable borosilicate glass - Resistant to temperature changes and easy to clean, ensuring long-term, reliable use.
• Simple, tool-free installation - Secure suction cup mounting lets you reposition or remove the indicator without disturbing your aquascape.

FAQ

Q: Does the CO2 indicator solution come included?
A: No. The glass CO2 indicator is supplied without solution. Use a compatible CO2 indicator or drop checker solution according to the manufacturer's instructions.

Q: How often should I check or adjust the indicator?
A: Visually check the color daily. Replace the indicator solution as recommended by the solution manufacturer, typically every 3-4 weeks or when the color becomes unclear.

Q: Is this suitable for all aquarium sizes?
A: Yes, it can be used in small to large freshwater planted tanks. For very large aquariums, multiple indicators placed in different areas can provide more representative readings.

Q: Can it be used in saltwater tanks?
A: This type of CO2 indicator is primarily intended for freshwater planted aquariums where CO2 supplementation is used. It is not commonly used in marine reef setups.