$44.99 Ocean Salinity Refractometer for Aquarium Sea Reef Water Heavy Duty, Dual Scale VST Refractometer Use interchangeable

Use interchangeable

High Quality

pipette and User's Guide

1-140'Oe and 0-27 KMW - Babo) Hand Held Refractometer in a blue

Chemical test kits are not very accurate and only give 5 to 10 points resolution while professional instrumentation can cost hundreds of dollars and can be time consuming to calibrate and maintain

$44.99 Ocean Salinity Refractometer for Aquarium Sea Reef Water Heavy Duty, Dual Scale VST Refractometer Use interchangeableItem 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