I'm not sure I understood your question clearly but I thought there is a 'soil type', shade, 'sprinkler head' types for each zone. You just need to set the same setting for each zone and the watering will come out the same right?
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Ken Wiens
2018-07-31 22:07:59 UTC  
I've added more to the question to try and better explain the issue of two zones covering the exact same piece of grass. Thanks, Ken