Oh !? Do tell.
What's the 'solution' you got ? -NIST certified H2O ?
Quote:
Originally Posted by globaldesigns
Re-Calibrated Refractometer with solution bought from Kevin @ Red Coral (again thanks), found it my refract was low by 2.5 points.
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-Mark
29 Gal Bowfront w/24" LED Lights. DIY HOB Sump (5.4 Gal) MP40. Orange Spotted Watchman Goby, 2 Clownfish and a few hermits.
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