$44.99 Ocean Salinity Refractometer for Aquarium Sea Reef Water Heavy Duty, Dual Scale beer refractometer Item Description: "REFRACTOMETER LEDnD" Portable

Item Description: "REFRACTOMETER LEDnD" Portable Refrigeration Oil Refractometer with Internal Light

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The amount of slowing down or bending of the light that the gemstone does to the light beam

Scale 2 Fluid: Wine - (Must Sugar Content)

Item Description: Atago MASTER-10M Hand Held 0-10% Brix Refractometer

$44.99 Ocean Salinity Refractometer for Aquarium Sea Reef Water Heavy Duty, Dual Scale beer refractometer Item Description: "REFRACTOMETER LEDnD" PortableItem Description: RHS 10ATCd Portable Salinity Refractometer This is the most POPULAR Salinity Refractometer around! We've sold more than 10,000! Perfect for Reef Aquariums! Made of beefy ALUMINUM unlike the cheap units! A better warranty that the rest too! Product Specs * Ranges: 0 100 ppt of Salinity and 1. 000 to 1. 070 Specific Gravity * Accuracy: + 1 ppt 0. 001 Specific Gravity * Divisions: 1 ppt 0. 001 Specific Gravity * Automatic Temperature