Thread: How do you clean your refractometer lens?
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Unread 01/05/2010, 06:21 PM   #9
arrowheadpuffer
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Join Date: Oct 2009
Location: CA
Posts: 396
RO + Shirt here!

I calibrate with RO, tried the 35ppt and the reading was true calibrated with RO...


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Current Tank Info: 90g
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