




The Portable Digital TDS Water Quality Testing Pen is your go-to tool for checking water safety on the go. This slim, pen-style tester quickly measures the total dissolved solids (TDS) in water, helping you detect impurities and ensure safe drinking standards.
Perfect for travelers, students, and home users, it’s small enough to fit in your pocket and powerful enough to deliver accurate results within seconds. Whether you need to check bottled water abroad or monitor your aquarium at home, this device makes water testing simple and hassle-free.
Key Features:
Pocket-sized design for portability.
Quick digital readings for instant results.
Suitable for drinking water, aquariums, pools, and hydroponics.
Long battery life and durable build.






