Get real-time salinity monitoring with the Reef Factory Salinity Garden. Receive notifications of any salinity problems on your smartphone, tablet, or laptop, and track salinity trends with the Reef Factory App. The Salinity guardian constantly monitors the salinity level in your aquarium, helping you prevent any issues for your tank inhabitants. It has a probe accuracy of ±0.5 ppt and only requires a power supply of 100-240 V AC 50/60 Hz and 15W. The package includes a salinity guardian with temperature probe, a salinity probe, salinity calibration solution, probe mounting bracket, and power supply.