Quote:
Originally Posted by gregzz4
Be sure to buy some calibration fluid when you get your new Refractometer
Then you'll never look back
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I've had my Sybon refractometer for 3 years and agree they should be checked every so often with the ultra clean calibration water, mine has always been bang on when ever I do a check. Make sure it's rinsed well and soft cloth dried after every use. For sure a good investment for salinity checking.