The BWT AQA Test Hardness Tester is designed for the simple and quick determination of total water hardness in untreated or non-softened water. It is suitable for approximately 40 measurements at a total hardness of 10 °d. The set includes a plastic cuvette, a 15 ml color indicator solution in a glass bottle with a dropper, a 30 ml titration reagent in a plastic bottle with a dropper, and an instruction manual. The tester provides reliable results for assessing water quality and is characterized by precision and ease of use, particularly for applications such as dishwashers and water softening systems. All components are designed for durability, with glass and plastic materials ensuring long-term performance. Ideal for the maintenance of household appliances, this tester supports the monitoring of water conditions to promote efficient operation of washing and cleaning machines in the kitchen. The measurements are straightforward and require no special training. The compact design allows for space-saving storage. For accurate measurements, the included instructions should be followed carefully. This product is part of the BWT range of water treatment accessories and emphasizes quality and consistency in water hardness measurement.