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Accurate CO2 Monitoring: Three-color indicator fluid (Blue: low, Green: normal, Yellow: high) clearly shows CO2 concentration in your aquarium.
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Healthy Plant Growth: Ensures optimal CO2 levels for photosynthesis of aquatic plants and safety of fish and shrimp.
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Durable Glass Design: Corrosion-resistant, simple, and elegant glass indicator.
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Multiple Styles: Available in Musical Note, Ball, Water Drop, and Hook models.
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Easy Maintenance: Test solution should be replaced once a month for reliable readings.
