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Brand: Salifert
Product Code: RECH
Availability: 5
$9.90
Ex Tax: $8.61
35ppt / 1.026 SG calibration fluid.

The proper way to calibrate a refractometer is using a calibration fluid at a salinity close to the levels that you'd expect, not using freshwater.

Reliable, high quality product from a brand you can trust.

10ml eye dropper bottle.

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