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