Digital Aquarium Water Tester

Take the guesswork out of aquarium water care with fast, easy-to-read digital testing.

The Digital Aquarium Water Tester gives aquarists a convenient way to monitor important water parameters without relying solely on color charts or test strips. Simply place the probe into the water and read the result directly from the digital display.

Choose the tester that matches what you want to monitor:

Digital pH Meter
Measures the acidity or alkalinity of your aquarium water. Monitoring pH is especially important for maintaining stable conditions for fish, shrimp, and aquatic plants.

Digital TDS Meter
Measures Total Dissolved Solids (TDS), helping you monitor the overall concentration of dissolved substances in the water. It’s particularly useful for shrimp keepers, RO-water users, and aquarists who remineralize their water.

Key Features

• Fast digital readings

• Easy-to-read LCD display

• Compact handheld design

• Simple testing directly from your aquarium water

• Useful for freshwater, planted, and shrimp aquariums

• TDS testing is ideal for monitoring RO and remineralized water

• pH testing helps track changes in aquarium acidity and alkalinity

How to Use
Turn on the tester and place the probe into a clean water sample according to the included instructions. Allow the reading to stabilize before recording the result. Rinse the probe with clean water after testing.

For best results, follow the calibration and maintenance instructions supplied with your selected meter.