Quality Material and Build Crafted from materials for reliable accuracy and durable performance. Lightweight and portable, suitable for both indoor and outdoor use. Waterproof design to support testing near water and in damp environments. Comprehensive Testing Allinone tester measures TDS, EC, pH, salinity, and temperature in a single device. Penshaped design combines performance with convenient handling for fast measurements. Built for quick, repeatable readings without carrying multiple tools. Clear Display Large, clear display screen for easy reading at a glance. Information is presented in a straightforward way to reduce interpretation. Versatile Use Essential tool for testing water quality in a variety of settings. Suitable for home use, aquariums, swimming pools, and other applications where water quality matters. Use Scenarios Home water checks: routinely verify tap or filtered water to ensure safety and suitability for drinking and cooking. Aquarium maintenance: monitor TDS, EC, pH, salinity, and temperature to keep fish and plants healthy. Pool, spa, or irrigation care: perform quick tests to adjust treatments and maintain balanced water conditions.