Long service life and robust construction This pH indicator solution uses long lasting quality ingredients and a robust construction. With precise readings and sustainable performance, it is perfect for prolonged use in any laboratory or testing environment. Continuous pH monitoring for aquarium water Our pH indicator solution helps you maintain the perfect water quality for your aquarium inhabitants. Accurate tests guarantee a healthy environment, so you can easily monitor the pH value. Keep aquatic animals in optimal living conditions. Convenient use Just place the tester in the water and wait a moment for the results. This makes it practical and suitable for both beginners and experienced users. Versatile pH test Widely applicable in various water environments, it is multifunctional for freshwater and saltwater aquariums, making it a versatile pH test solution. Use scenarios - Monitor daily pH in home or professional freshwater and saltwater aquariums to maintain stable conditions for aquatic life. - Use in laboratories for water quality testing and experimental setups that require reliable pH measurement. - Demonstrate and teach pH testing methods in classroom or workshop environments using freshwater or saltwater samples.