Legionella Testing Kit - DIY Test for Legionella ...
2016-5-4 · Of note, if the free chlorine concentration of the water sampled from the pool or hot tub/spa is more than 10 ppm, the test might partially or totally bleach out, resulting in a false low or 0 ppm free chlorine result. Pool and hot tub/spa owners alternatively can use test strips, with the understanding they are less accurate than the DPD test kit. Regardless of what test is used, owners should always follow …
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