Premium Salinity Refractometer airline Initial dosage is 3 lbs

Initial dosage is 3 lbs per surface acre and maintenance dosage is 1 lbs per acre

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Solution Remains stable for seven days

aquarium tubing

Species Specific: These incubation units are delivered fully assembled with screening material specified by the hatchery for the desired species

Premium Salinity Refractometer airline Initial dosage is 3 lbsLargest and sharpest scale display available. Calibration ring for simplified calibration. This refractometer features a magnified scale for better visual accuracy. Other features include solid aluminum construction, a rubber gripped body and temperature compensation between 10 and 30C (50 to 86F). To calibrate, simply loosen the handset screw, place a few drops of water on the prism, turn the calibration ring until the shadow line is at zero and