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Calibrating Instant Ocean Hydrometer
Posted: Fri Mar 04, 2011 8:43 am
by greenspottedlover
Yesterday I bought a Instant Ocean hydrometer. Last hydrometer I had said it should be filled with fresh water for 24 hours before first use. This one says no such thing. Does a Instant Ocean Hydrometer have to be calibrated?
Re: Calibrating Instant Ocean Hydrometer
Posted: Fri Mar 04, 2011 12:28 pm
by Pufferpunk
All hydrometers/refractometers should be calibrated with Pinpoint solution.
Re: Calibrating Instant Ocean Hydrometer
Posted: Fri Mar 04, 2011 1:42 pm
by JRC3
I think the OP means "seasoning" and not calibrating.