The one-dip Insta-TEST Iron test strip formula from LaMotte Co. eliminates the need to pre-treat the sample with a reduction tablet prior to measuring iron with a test strip. The iron strip makes the testing process simpler with just one dip of the strip into a pool or spa before matching the reaction to a color chart (0, 0.3, 0.5, 1, 3, 5, ppm) on the bottle.

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