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The Plato scale is based on the relationship between sucrose and refractive index
Item Description: RHS-10ATC Portable Salinity Refractometer - SOFT CASE
Confirm reading displays 0
not "carbon" plastic - 50% heavier than the soft case units
The REFRACTOMETER LEDnD uses ambient light
Marine Depot Pro Salinity Refractometer for Sea Water freeze point The Plato scale is basedThe Marine Depot Pro Refractometer is a high precision, handheld tool designed specifically for saltwater aquariums and reads Natural Sea Water, featuring a focused, expanded scale (1. 015 1. 030 specific gravity) for easier reading compared to standard models. It includes Automatic Temperature Compensation (ATC) and a durable construction, making it ideal for monitoring reef tank salinity with greater accuracy than hydrometers. THESE ARE BRAND NEW IN