Out of stock
Aquarium Reagents Refractometer Calibration Standard is a standard fluid for refractometer calibration. It is designed to provide an accurate reference for calibrating seawater refractometers, hydrometers and other water density equipment.
Instructions for use:
Shake well before use.
Clean the glass prism of the refractometer with fresh distilled water.
Pat dry with a clean, soft cloth.
Place a few drops of Brightwell Refractometer Calibration Standard on the prism of the instrument.
Wait 45 seconds and calibrate the salinity level to 35 ppt.
Clean the refractometer according to the instructions above.
Specific gravity 1.0264, Refractive index 1.3394, Salinity 35 ppt, at a temperature of 25 ° C – 53 µS / cm.
High purity salts