Milwaukee Instruments MA887 Digital Salinity Refractometer

Thousands of saltwater aquarium enthusiasts trust the Milwaukee MA887 Digital Seawater Refractometer for precise and instant salinity analysis. Eliminate guesswork with dependable digital readouts in seconds—no more subjective visual readings.

The Milwaukee Digital Seawater Refractometer offers rapid, accurate results with a response time under 2 seconds. Featuring a durable, easy-to-clean flint glass prism and stainless steel well, this essential tool simplifies regular aquarium maintenance. Perfect for measuring salinity in natural or artificial seawater, ocean water, and brackish setups, it ensures optimal conditions for reef tanks and marine life.

What People Are Saying

"This is a terrific addition and you'll want a digital refractometer if you spend any time at all with saltwater aquariums. Highly recommended."

"This is a must for any even remotely serious reef tank hobbyist."

"All I can say is WOW! I should have had this sooner."

Design Features

• Fast, accurate results with dual-level digital LCD readout
• Quick measurements: just 2-3 drops needed with under 2-second response
• Automatic temperature compensation for precision
• Simple one-point calibration with distilled or deionized water
• Sealed, easy-to-clean stainless steel sample well; IP65 dust and water-resistant
• Battery level indicator and auto shut-off (batteries included)

Choose Milwaukee for advanced, reliable measurement in your saltwater and reef aquarium.