Hydrometers & Refractometers for Saltwater Aquariums, $25-$50

Aquarium supplies for your fish tanks, reef tanks and water gardens.

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Search Results for Saltwater Aquarium Supplies > Testing Equipment > Hydrometers & Refractometers

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$Marine Depot Aquarium Refractometer$

Marine Depot Aquarium Refractometer

The Refractometer is a must have for all hobbyists. The proper salinity is crucial for the survival and health of your fish and corals. This high quality refractometer is extremely accurate and easy to use and calibrate. Calibrat...

$49.99

$Milwaukee Instruments Protective Hardshell Case for Refractometers & Photometers$

Milwaukee Instruments Protective Hardshell Case for Refractometers & Photometers

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Milwaukee Protective Hardshell Case for Milwaukee Refractometers and Photometers

$32.99

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