Dennerle Carbo Test Crystal

The Dennerle Carbo Test Crystal is a reliable tool for measuring CO2 levels in freshwater aquariums and is made of durable crystal glass. Two sizes are available: standard and mini.  Confidently Monitor CO2 Levels The Dennerle Carbo Test Crystal is a high-quality product made from crystal glass, ensuring durability and clarity. Suitable for all freshwater aquariums, this test measures CO2, and pH and includes a color comparison chart, making it both convenient and easy to use. Even in cases of lower carbonate hardnesses, this product functions effectively, providing accurate readings and valuable information for maintaining a healthy aquatic environment. With the Dennerle Carbo Test Crystal, aquarium owners can confidently monitor and optimize conditions for their aquatic friends.   Highlights: Made from high-quality crystal glass For all freshwater aquariums Includes pH measuring Includes color comparison chart Functions also in case of lower carbonate hardnesses Standa