Coralife Deep Six Hydrometer

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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 Show more