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Hanna Phosphate Checker Vials
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04-16-2012, 02:39 PM
monocus
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Join Date: Jan 2010
Location: burnaby
Posts: 1,024
hanna checker
it's possible a slight difference in r/o water,volume of water,liquid regent,powdered regent,etc.sometimes the mls are hard to see on the syringe.i did a control test 3 times and got results within 5 on all my readings
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