Description Are you looking for a professional, yet affordable salinity tester? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further! Our professional salinity tester will meet your needs. It is one of the best choices for you. Features - Color: As shown - Material:ABS - Size:21.20X2.50X1.50cm/8.33X0.98X0.59in - Battery: 4 x LR44 button batteries(not included) - It is used to measure liquid salt concentration, but not for solids or powders and highly viscous liquids. - Help you testing salinity easily and quickly so that you can know how to take action. - Professional design, test results are clear at a glance, it can well meet your needs. - Perfect for home, aquariums,salty pools, spas, fish ponds, hydroponics and more. - Made of premium ABS materials, lightweight, durable for long-lasting use. Package list: 1 x Salinity Tester