The AquaLabs CO₂ Checker Kit is a simple and reliable solution for monitoring CO₂ levels in planted aquariums. Designed for use with CO₂ injection systems, this high-quality glass drop checker provides a clear, visual indication of carbon dioxide concentration to help maintain optimal conditions for healthy plant growth and stable aquatic environments.
Maintaining the correct CO₂ level is essential for lush planted tanks, preventing algae growth, and ensuring fish safety. The included CO₂ indicator solution changes colour to reflect approximate CO₂ levels, making it easy to adjust your system as needed.
How It Works
Simply add 15 drops of the indicator solution into the glass drop checker and place it inside your aquarium using the included suction cup. The solution will gradually change colour to indicate CO₂ concentration:
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Blue – Low CO₂ levels
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Green – Optimal / Moderate CO₂ levels
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Yellow – High CO₂ levels
For best results and accurate readings, replace the drop checker solution every 30 days.
Key Features
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Accurate visual CO₂ monitoring for planted aquariums
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Durable, high-clarity glass drop checker
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Easy colour-coded CO₂ level indication
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Ideal for aquariums with CO₂ injection systems
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Helps promote healthy aquatic plant growth
What’s Included
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Glass CO₂ Drop Checker
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Suction Cup Mount
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CO₂ Indicator Solution
Perfect for beginner and advanced aquascapers alike, the AquaLabs CO₂ Checker Kit makes maintaining safe and effective CO₂ levels in your aquarium simple and stress-free.