On a side note, I found Taylor K-2106 is specifically for Bromine and on the Taylor site I find 2 more Bromine specific kits:
K-1517-A ([h=1]Drop Test, Bromine (total), FAS-DPD, 1 drop = 0.5 or 1.25 ppm, .75 oz), $30.
and
Midget Comparator, Bromine (total), DPD, 0.2-3.0 ppm, K-1773, $73.39
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