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When any of these pool chemicals are used, it is very important to keep the pH of the pool in the range 7.2 to 7.8 – according to the Langelier Saturation Index, or 7.8 to 8.2 – according to the Hamilton Index; higher pH drastically reduces the sanitizing power of the chlorine due to reduced oxidation-reduction potential (ORP), while lower ...
Hayward Plunge at Memorial Park. The Hayward Area Recreation and Park District (H.A.R.D.) is the park management agency for most of the parks in the city of Hayward, California. It was created in 1944 [1] and is an independent special district under California law. [2] H.A.R.D. is the largest recreation district in California. [3]
Hypochlorous acid is an inorganic compound with the chemical formula Cl O H, also written as HClO, HOCl, or ClHO. [2] [3] Its structure is H−O−Cl.It is an acid that forms when chlorine dissolves in water, and itself partially dissociates, forming a hypochlorite anion, ClO −.
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Iran has confirmed the arrest of Italian journalist Cecilia Sala, state news agency IRNA said, citing the Iranian Ministry of Culture.
Joann. The 81-year-old fabric and craft retailer filed for bankruptcy in March, falling victim to customers cutting back on spending, including on fabric, arts and supplies materials. Joann’s ...
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