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Nitrate / Nitrite

"These small test strips provide a rapid means of checking water quality. Simply dip a strip into the sample, wait for color to develop and compare color on the reagent pad to the color chart of the bottle.
Range (PPM): Nitrate: 0-50; Nitrite: 0-3
25 strips each bottle"
Part Number: UES0000013
Vendor: Contact-us
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