water-purity-tester

1 год назад

This video demonstrates how to use a TDS meter to test the purity of water. The meter measures the conductivity of water, which is related to the amount of dissolved minerals. The video explains how to use the meter, including how to fill the cap with water, insert the probes, and read the results.

2 года назад

This video showcases a multi-functional water quality testing pen. The pen can measure pH, TDS, EC, salinity, and temperature. The video highlights the pen's features, including its waterproof rating, replaceable probe, and automatic calibration.

2 года назад

This video compares an electronic 5-in-1 pH meter to a traditional liquid test kit for aquarium water. The creator calibrates the meter and then tests both devices on a fish tank, demonstrating how to use each and highlighting the pros and cons of each method.