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Norweco Norweco 1.9# Blue Crystal Tabs FSB500051.9# blue crystal tabs Blue Crystal chlorine tablets are specifically manufactured for residential septic usage Each tablet contains a minimum of 70% chlorine with a dosing rate of 21 ppm The 1.9 lb. pail has 6 environmentally safe 2-5/8? tablets |
$20.42![]() UPC: 819976000019 |
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