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2. Urine-indicator dye - Wikipedia

   en.wikipedia.org/wiki/Urine-indicator_dye

   Urine-indicator dye. Urine-indicator dye is a mythical substance that is supposed to be able to react with urine to form a colored cloud in a swimming pool or hot tub, thus indicating the location of people who are urinating while they are in the water. [1][2] A 2015 report from the National Swimming Pool Foundation called this "the most common ...

3. Swimming pool sanitation - Wikipedia

   en.wikipedia.org/wiki/Swimming_pool_sanitation

   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 ...

4. Salt water chlorination - Wikipedia

   en.wikipedia.org/wiki/Salt_water_chlorination

   Salt water chlorination is a process that uses dissolved salt (1000–4000 ppm or 1–4 g/L) for the chlorination of swimming pools and hot tubs.The chlorine generator (also known as salt cell, salt generator, salt chlorinator, or SWG) uses electrolysis in the presence of dissolved salt to produce chlorine gas or its dissolved forms, hypochlorous acid and sodium hypochlorite, which are already ...

5. Amazon’s ‘The Sims’ Movie Will Include Freezer ... - AOL

   www.aol.com/entertainment/amazon-sims-movie...

   “The Sims” movie adaptation from Amazon MGM Studios has been officially confirmed by video game maker Electronic Arts. EA formally announced the project Tuesday, along with a slew of other ...

6. Shock chlorination - Wikipedia

   en.wikipedia.org/wiki/Shock_chlorination

   Shock chlorination. Shock chlorination is a process used in many swimming pools, water wells, springs, and other water sources to reduce the bacterial and algal residue in the water. Shock chlorination is performed by mixing a large amount of sodium hypochlorite, which can be in the form of a powder or a liquid such as chlorine bleach, into the ...

7. Saharan dust - Wikipedia

   en.wikipedia.org/wiki/Saharan_dust

   Saharan dust has been found to travel to the Amazon basin, Scandinavia, [8] Japan, [9] and other regions. The dust supplied to the North Atlantic and the Mediterranean [10] brings nutrients that help to boost primary production. For the Amazon basin, which is limited in phosphorus in much of the soil in the basin, Saharan dust is a main source ...