Bromate
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The bromate anion, BrO−3, is a bromine-based oxoanion. A bromate is a chemical compound that contains this ion. Examples of bromates include sodium bromate and potassium bromate.
Ivanhoe Reservoir after addition of shade balls
Shade ball
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A shade ball is a small plastic sphere floated on top of a reservoir for environmental reasons, including to slow evaporation and prevent sunlight from causing reactions among chemical compounds prese
Bromate
…June 9, 2008 the LADWP began covering the surface of the 10-acre (4 ha), 58-million-US-gallon (0.22×106 m3) open Ivanhoe Reservoir with black, plastic shade balls to block the sunlight which causes the naturally present bromide to react with the chlorine used in treatment. 3 million of the 40 cent balls are…
Shade balls covering a swimming pool at a hotel
Shade balls in the Ivanhoe Reservoir, 2015
A single shade ball