Directions For Use,

• Place the Hydrometer into the marine tank to obtain a reading.
• Use the plastic pointer provided, to probe / remove any air bubbles traps on the meter gauge
• The left side of the scale ranging from 0 to 43.9, is indicative of the salinity(PPT) of the water.
• Themiddle columnof the scale ranging from 1.000 to 1.030 is indicative of the gravity under 25 degrees.
• lastly, the right side of the scale is indicative of the Conductivity (mS/cm)