Water TesterNew drop
pH & TDS Water Tester Kit — Digital pH Pen + TDS/EC/Temperature Meter
Know what's in your water. Two pocket meters read pH, TDS, EC and temperature in seconds.
$19.99$24.99
In stock — ready to ship
Ships free with tracking · arrives in about 7–14 business days
Free shipping on every order
30-day returns
Secure checkout
Real human support
Shipping & returns
Every order ships free with tracking. Most orders arrive in about 7–14 business days; items stocked in US warehouses often arrive sooner. Multi-item orders may arrive in separate packages.
Not happy? Request a return within 30 days of delivery and we'll make it right.
Questions before you buy?
Email troy@globaltradingpartners.email and a real person will get back to you — usually within one business day. Tell us how you plan to use it and we'll tell you honestly whether it's the right fit.
- Digital pH pen0.01 resolution with calibration button.
- TDS / EC / temperature meterReads ppm and water temperature.
- Hold functionFreeze the reading on screen.
- Pocket sizeDip, read, done.
Where to use it
Check filtered drinking water and RO systems, dial in hydroponic nutrients, monitor aquariums and keep pools and spas balanced.
Specifications
| Meters | pH pen + TDS/EC/temperature pen |
| pH resolution | 0.01 |
| TDS units | ppm |
| Functions | Calibration, hold |
Free shippingTracked from dispatch to your door.
30-day returnsSend it back within 30 days of delivery.
Secure checkoutEncrypted payments through Shopify.
Real humansEmail support, usually within a day.
Pairs well with
