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Author Topic: Hanna Phos Checker  (Read 167 times)

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Offline Reeferntraining

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Hanna Phos Checker
« on: May 17, 2019, 19:33:31 »
Has anyone had their low range phos checker go bad? I tested today and my first reading was .14 and I knew that couldnít be, so I grabbed my other vial and did a quick test. It came back at .1. The next three quick tests came back .02. I have never had it read that wide of a range. So I have no clue what my PO4 is right now. Anyone experience this? And is the ultra low checker more reliable?

Offline dbjonesjr

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Re: Hanna Phos Checker
« Reply #1 on: May 17, 2019, 20:57:30 »
Iíve had no issues with mine. It could be a bad batch of reagent?

Offline Reeferntraining

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Re: Hanna Phos Checker
« Reply #2 on: May 17, 2019, 22:21:42 »
I tested the same vial/reagent, over and over. Got all kinds of crazy numbers.

Offline jjoos99

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Re: Hanna Phos Checker
« Reply #3 on: May 17, 2019, 23:18:29 »
Im not crazy about mine sometimes.  Really have to shake the vile up quite a bit to get all the powders mixed up and then contend with micro bubbles on the side of the vile. After shaking it up I will usually roll mine on its side to clear the bubbles and then let it set a bit before testing.
Jeff

 

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