From: poutnik4REMOVEnntp@CAPITALSgmail.com   
      
   Oumati Asami  Wrote in message:   
   >   
   > The shape of my pool is similar to what's on the Korean's flag, the   
   yin-yang, only half of it, of course, and the tail is cut off. I have searched   
   the net trying to figure out how to calculate the volume of such a pool but   
   couldn't find it.   
      
   Rather estimation than exact calculation.   
      
   Estimate a thought rectangle the pool would fit in.   
   Calculate the rectangle area and multiply it by an estimated   
    relative portion of the rectangle the pool may occupy.   
      
   E.g if the pool would fit in a rectangle 4x10 meters, taking cca   
    60% of its area, the pool area would be cca 4x10x0.7=24 square   
    meters.   
      
   If estimated average depth is 1.5 m,   
   then volume is 24*1.5=36 cubic meters, or 36000 litres.   
      
   > I just arbitrarily add some amount of hypochlorite to the pool. Only one   
   person uses the pool occasionally. I figure as long as I keep the mold from   
   growing, it's OK.   
      
   The target chlorine content is AFAIK about 5 ppm, i.e. 5 mg/L I,   
    for above  it would be 180 g Cl/ basin.( Doses is higher as some   
    chlorine is consumed and some escapes).   
      
   Note that some milkiness may happen in the pool water which became   
    rich in dissolved organic matter ( liked washed out sweat )   
      
      
   I worked in past in water company lab. A private customer had a   
    problem with some water haze after   
   water treatment . Analysis told it contained 20 mg /L of dissolved   
    organic carbon. For comparison, water coming out from waste water   
    purification station has significantly  less.   
   --   
   Libor Striz aka Poutnik ( a pilgrim/wanderer/wayfarer)   
      
   "Humour is the only effective weapon against stupidity."   
   Miloš Forman   
      
      
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