Milwaukee Digital Seawater Refractometer - (MA887) RK2 set the bar for

RK2 set the bar for protein skimmers in the public aquarium and aquaculture industries and has been the industry standard for over 25 years

and orientated opposite of each other keeping room for those bulky transformers

Don’t believe that the more air/bubbles you inject the better the skimmer will perform

maintaining them at consistent levels

If you have ever used other products

Milwaukee Digital Seawater Refractometer - (MA887) RK2 set the bar forMA887 Digital Refractometer for Seawater Measurements The MA887 is an optical instrument that employs the measurement of the refractive index to determine the salinity of natural and artificial seawater, ocean water or brackish intermediates. The digital refractometer eliminates the uncertainty associated with mechanical refractometers and is easily portable for ship, shore or home use. The MA887 refractometer is an optical device that is simple and