Description
Think you know what the salinity is in your aquarium? Use a refractometer? A swing-arm Hydrometer? Do you think important to maintain salinity precisely? Wearer with you. That’s why we created Seawater Reference Solution, the only calibration solution of its kind made from real seawater. pure natural seawater micron filtered and UV sterilized then adjusted with reverse osmosis water to match the standard S 35 or 53 ms/cm at (). Use it to accurately calibrate seawater refractometers and to check
