- Convenient test tool: This accurate pH meter for water helps maintain optimal aquarium water quality by enabling precise testing and convenient monitoring. - Easy test: Simply immerse the meter in water and wait a few moments for reliable results. The simple operation, together with the included pH indicator solution, makes accurate readings accessible to both beginners and experienced users anytime, anywhere. - Wide range of uses: A multi-purpose pH water tester suitable for different water habitats. Extensively used in freshwater and saltwater aquariums for its versatile functionality. - Portable and compact: With the compact design and the included pH indicator solution, you can effortlessly test water quality on the go. This makes it an ideal tool for quick and simple pH testing wherever you are. - Use scenario: Regular pH monitoring in a home freshwater aquarium during routine maintenance to ensure a stable environment for fish and plants. - Use scenario: Monitoring pH in a saltwater aquarium to maintain stable conditions for marine life and reef systems. - Use scenario: On-the-go testing for different water habitats during tank setup, relocation, or in educational settings such as classrooms or labs.