The first thing we do when we provide weekly pool service in Las Vegas is test the water.  This test will show us total chlorine and free chlorine levels.  It also shows us total alkalinity levels as well as pH of the pool water.  From there, we add the appropriate chemicals which include, depending on the condition of the pool, chlorine shock, chlorine tablets, acid to bring pH down (in a lot of cases) and sometimes algaecide if there are any algae spots located within the pool.  From there,...
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