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.

• Wide-range specific gravity meter
• Coralife's Hydrometer takes a true water sample at six inch depth
• Easy to read and accurate this specific gravity meter is designed to give temperature-corrected readings in warm water aquariums
• Includes a self-leveling hanging device and allows your hands to stay dry avoiding contamination of aquarium