Ade Advanced Optics Automatic Temperature Compensation Sea Water Salinity Refractometer for Aquarium, 0% - 10% & 1.0 to

Quick Results (Faster Than Your Homebrew Hydrometer)
Easy and simple to use. More Accurate Than Your Homebrew Hydrometer
Automatic Temperature Compensating Refractometer
5 years warranty!
Ranges: 0-100 ppt of Salinity and 1.000 to 1.070 Specific Gravity

Technical Details

Size (LWH): 8.7 inches, 2.8 inches, 1.4 inches
Product Details
Product Dimensions: 8.7 x 2.8 x 1.4 inches
Shipping Weight: 0.4 pounds (View shipping rates and policies)
ASIN : B008560IXA