Calibration of Hydrometer

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aquafreak

Aquarium Advice Freak
Joined
Feb 19, 2004
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243
Location
Tucson, AZ
Discussed this with some Marine Aquarium geeks and they said mine was off by .002. Anyone else with this problem? Is it a big deal?
 
I just checked my Deep Six Hydrometer against a refractometer at LFS. Mine was also low by .003. I just plan on keeping my tank around 1.021 and that should actually be about 1.024
 

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