Product Selling Points 2-in-1 Functional Design: The AZ8686 pH meter integrates pH measurement and temperature detection in one device. Equipped with Automatic Temperature Compensation (ATC) technology, it ... Read More
YIERYI Handheld Salinity Meter 0-10 ppt Aquarium Refractometer Feature: 1. Soft rubber eye piece for comfortable viewing 2. Equipped with scale measurement which provides direct reading 3. Determines the amount ... Read More