Two Little Fishies AccuraSea Seawater Calibration Solution SW Magnesium (Mg) Recommended Sump Water Height: 7

Recommended Sump Water Height: 7 - 8 in

Preservatives

4 L ) glass cube aquarium with cover

Easy assembly click-on/off dosing heads (no tools or alignment required)

High vitamin E content offers increased amino acids levels

Two Little Fishies AccuraSea Seawater Calibration Solution SW Magnesium (Mg) Recommended Sump Water Height: 7AccuraSea Calibration Solution 250 mL AccuraSea Seawater Reference Solution from Two Little Fishies is the calibration solution of its kind! Made from pure natural sea water, it has been micron filtered, UV sterilized, and then adjusted with reverse osmosis water to the standard S = 35 or conductivity of 53 mS cm at 25C(77 =F). This versatile fluid can be used to check the accuracy of swing arm hydrometers, calibrate seawater refractometers, or even