Sprayers should not be positioned too far apart. When the tap is open, the areas being sprayed should overlap 100% – otherwise you’ll have dry spots on your lawn or in your flowerbeds.
Check the spray pattern of the sprinklers when you buy them. If you have too few sprayers, the pressure in your irrigation system will be too great and you’ll get a fine mist spray that is blown away by the wind.
Too many sprayers are like a hosepipe with a lot of holes: the pressure is reduced, which means water from the sprayers doesn’t spray far enough, and you’ll have dry spots in the beds.
REMEMBER Take into consideration the water pressure in your area when you start laying your irrigation system. If the pressure is weak, use fewer sprayers per line and you’ll need more irrigation lines. Greater pressure will mean more sprayers per line and fewer lines.
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