
Brightwell Refractometer & Hydrometer Calibration Standard 250 ml
Refractometer & Hydrometer Calibration Standard 1.0264 Specific Gravity1.3394 Refractive Index35 ppt Salinity53 uS/cm at 25 deg c Overview Brightwell Aquatics Aquarium Reagents Refractometer & Hydrometer Calibration Standard is designed to provide an accurate reference for the calibration of seawater refractometers, hydrometers and other density measuring equipment. Sizes 250ml Instructions & Guidelines - Refractometers 1. Shake product well before using.2. Clean Refractometer prism slide with fresh distilled water.3. Dry completely with soft clean dry cloth.4. Place several drops of Brightwell Refractometer & Hydrometer Calibration Standard fluid on the slide.5. Wait 45 seconds and calibrate to 35 ppt Salinity. Instructions & Guidelines - Hydrometers 1. Shake product well before using.2. Rinse Hydrometer with distilled water.3. Pour Brightwell Refractometer & Hydrometer Calibration Standard fluid carefully into hydrometer to avoid bubbles.4. Tap hydrometer to d