Coralife Deep Six Hydrometer

  Coralife  Deep Six Hydrometer
Item# SKHES-AF877
$7.99

Product Description:

The CORALIFE DEEP SIX HYDROMETER is the world's first wide-range specific gravity meter that takes its reading from water 6 inches below the surface. Testing specific gravity has never been easier or more accurate than with the new DEEP SIX.
6.25" x 1" x 11"