Today we are taking a look at IceCap Salinity/Temperature Digital Pocket Tester that is available at Premium Aquatics. This may take your reef tank salinity testing to the next level. Salinity/Temperature Digital Pocket Tester: https://goo.gl/XPWJZw The IceCap Digital Pocket Tester is a portable, rugged, water resistant device that utilizes electric conductivity to determine the specific gravity/salinity of natural and artificial seawater. Within seconds, the salinity and temperature are measured and visually displayed on the easy to read backlit LCD screen.