Dennerle Carbo Test Crystal, Nano

Measuring device for permanently measuring the CO₂ content in an aquarium

• Made from high-quality crystal glass
• For all aquaria
• Including pH measuring
• Incl. color comparison chart
• Functions also in case of lower carbonate hardnesses

Online exclusive: this item is ordered in for you and is usually ready within a few business days. Choose in-store pickup, local delivery or shipping at checkout.