Coralife Deep Six Hydrometer Wide Range Specific Gravity Meter
Free Gift

Coralife

The re-designed deep six hydrometer with improved calibration and bubble diffuser ensures more accurate readings of your aquarium salt levels. Also includes a built in base so you can rest the hydrometer on a counter top or other flat surface when taking salt readings.

  • Specific Gravity and Salinity PPT Scales
  • Optimal Specific Gravity / Salinity range indicator on scale
  • Bubble diffuser on water intake prevents micro-bubbles from forming on needle