Quote:
Originally Posted by FWC
Shall do. Also how do I re-calibrate a hydrometer ,per say ??
Oh ,also its at .026 ,not .027 .Silly memory 
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you need to get it calibrated by a refractometer, go to red coral or some other lfs and they can do it for you free of charge

you can also bring in a small sample of water for testing and salinity
