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The air gap rule is simply this:
brine tanks
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We use only 10% cross-linked resin for its exceptional durability and resistance to chlorine and iron degradation
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Hardness Iron & pH Field Analysis Water Test Kit Cysts and Virus The air gap rule isProfessional Field Analysis Test Kit This is the best water conditioning kit in the business and is designed to achieve optimum testing results. The Field Analysis Kit is designed for anyone who wants to get fast, accurate, test results with a kit small enough to fit in a glove box. This is a kit that you can use for years and it should deliver around 50 tests. Reagents can be purchased separately. Kit Measures Hardness o gpp to >100 gpg Iron 0 to 10
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