Hanna Salinity Tester Review

Salinity is hands down the most important parameter we test for in a saltwater aquariums, but salinity, and how it is measured, is quite poorly understood. The Hanna Salinity Tester is a new measurement device which is both affordable and accurate and should make testing salinity in home aquariums much easier.  Like any good digital … Continue reading Hanna Salinity Tester Review