I didn't buy one to attempt to save money, although I may very well be doing so. My Hunter died and I needed to replace it. The convenience of being able to control zones from my smart phone, while adjusting sprinkler heads, was well worth the incremental cost over a minimal controller. When the HP 35 came out, I guess some people thought that was overkill when compared to a slide ruler ;-)
https://upload.wikimedia.org/wikiped...35_Red_Dot.jpg
Slide rule - Wikipedia
Quote:
Originally Posted by retiredguy123
My irrigation water usage costs about $7 per month. So, I think a high tech watering controller is overkill.
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