COM100 EC/TDS/Temp Pen Meter — High-Precision Conductivity & Purity Tester for Aquariums and Pools

The COM100 pen meter delivers accurate EC, TDS and temperature readings to assess water quality in aquariums and pools, helping you maintain healthy conditions for aquatic life. Readings appear on a clear digital display designed for straightforward viewing and simple operation. Its compact, lightweight form factor makes it ideal for portable, on-the-go testing and regular monitoring. Built with durable construction to provide reliable, long-lasting performance across different water environments.