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Hanna Iron Checker HC® colorimeter calibration standards, 0.00 and 1.00 ppm

Product code: 5559
TE-HI721-11

Availability: In stock

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$12.00
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Hanna Iron Checker HC® colorimeter calibration standards, 0.00 and 1.00 ppm

Hanna Iron Checker HC® colorimeter calibration standards, 0.00 and 1.00 ppm

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  1. Works as Advertised Review by Not Sure
    Product Rating:

    There was a bit of a mix-up with the information on the Hanna site. This is a clear vial and a vial of something with iron in it. You have to add a packet of reagent. This worked well enough for me, but I was concerned about having to buy a new test kit every time to verify my Checker's reading. After mixing the reagent, the vial seemed to keep the color and read correctly for at least the past week. I don't know how long it will last, but it is longer than I expected, so far. (Posted on 4/25/2017)


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