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Old 05-05-2008, 04:29 PM   #4 (permalink)
wobbegong
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Join Date: Aug 2007
Location: Pohatcong New Jersey
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Quote:
Originally Posted by gonzapa View Post
Calibrate? who needs that?
Ohh Sorry Mr. Reef Expert !
You probably still use the glass tube hydrometer that you float in the tank..
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