2 hrs is a very long time unless you have a massive yard with lots of zones. When I moved in 2 yrs ago I called the water company and they told me what days to water according to my address and it was not the same as the previous owner had it set for. If you do water early in the morning and you are not up you will have to do a system ck to make sure all the pop ups are working properly. Sometimes they do get stuck.
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