Hanna Waterproof Salinity Tester Tropical Food Use the dosing cap provided

Use the dosing cap provided

discreet designs and fit beautifully into any surrounding

Simply dissolve the required amount 500ml of aquarium water and stir vigorously for 60 seconds

1 ball = 11grams - Should keep aquariums up to 125 litres clear for 3 months

Hanna Waterproof Salinity Tester Tropical Food Use the dosing cap providedThe new HI 98319 Hanna Waterproof Salinity and Temperature Tester is perfect for any saltwater aquarium. A more accurate alternative to refractometers, this tester uses conductivity to determine salinity levels of natural and artificial seawater. Ideal for testing salinity in salt water aquariums, it is quick and easy to use and provides digital readout of both salinity and temperature. Salinity results are displayed in either parts per thousand