The Hanna DiST1 Waterproof TDS Tester is a robust, pocket-sized device designed for precise measurement of total dissolved solids (TDS) in various water applications. With a measurement range of 0 to 2000 ppm (mg/L), this low-range tester is essential for monitoring water quality, ensuring optimal conditions for your saltwater reef aquarium. It provides quick and reliable readings, making it an indispensable tool for maintaining a healthy aquatic environment by detecting impurities.

This modern and ergonomic tester is only 0.7 inches thick, fitting comfortably in your hand for easy operation in both the lab and field. Key features include a large multi-level LCD for clear readings, an exposed temperature probe for fast response times, and a simple two-button operation for straightforward use and calibration. It utilizes a 0.5 conversion factor for accurate TDS measurements, suitable for diverse applications from water conditioning to general laboratory analysis.

This TDS tester is ideal for any reef aquarium hobbyist, from beginners to experienced aquarists, who needs to accurately monitor the purity of their RO/DI water, source water, or mixed saltwater. Its ease of use, durability, and precise measurement capabilities make it perfect for ensuring that only the highest quality water enters your tank, preventing the introduction of unwanted contaminants that can harm sensitive corals and fish.