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This is a package of 50 Rainbow Reagent Tablets DPD #1 for testing Free Chlorine. They come in a package of 5 strips of 10, with 50 tablets total. This reagent is used in several Pentair Rainbow test kits including: 78DPD, 78DPD Plus, 77DPD, Pro 11.

DPD 50 Pack

SKU: R161593
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