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Partner Member 2020Build Thread Contributor
- Jun 30, 2016
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I always get distracted, I fill a vile as a standard for all my tests and can rerun the test to double check results. I think my record is a 5 retries on po4.....Oh look a Squirrel@Crabby48 Here's what I do that stopped me from wasting Hanna PO4 reagents.
1st get water sample into vial.
2nd cut foil reagent pack open and form V on one of the corners of the open sides to make it easy to pour out.
3rd start Hanna checker and then insert vial.
Once it shows C2, I open the vial and pour in the reagent. Start a 2 min timer and then shake the vial back and forth for the full 2 min or close to it. Place the vial into the checker and hold the button for the 3 minute timer to start.
Ever since I started doing it this way, I never go over the 3 minute shut down of the checker.