$39.99 Sea Side Aquatics Refractometer Measures Salinity Saltwater Aquarium

Item Description:  Sea Side Aquatics Refractometer Salinity     Measure, monitor and control the concentration of salt water. Vital if you need to check salt levels for your aquarium. Healthy fish are happy fish! Ensure the percentage of salinity in your aquarium or pond is just how your fish like it. Essential piece of equipment used in research and clinical laboratories for checking and maintaining stock solutions and dilutions Vital for marine industry Its scale enables the direct determination of salinity in water that contains dissolved salt and little or no other dissolved solids. Ideal for field use – refractometer has ATC [Automatic Temperature Compensation] for precise measurement without having to re-calibrate after changes in ambient working temperature. Specifications                                 MODEL MEASURING RANGE MINIMUM SCALE SIZE(mm) WEIGHT(g) HT-211ATC 0~10%salinity 0.1% 30*40*205 275 1.000~1.070sg 0.001sg HT-212ATC 0~28%salinity 0.2% 30*40*205 215