Use multiple start times if the ground will not absorb water at the rate it is applied. This is usually necessary for pop-ups, which water at a fairly high precipitation rate. Program the controller to use three or four start times, and water for one third or one fourth of the total watering time at each start time. Heavy clay soils may need even more start times, sandy soil will need fewer start times.
What Can I Do To Prevent Rust in My Sprinklers?
Rust is one of the biggest enemies of any irrigation system. If the water on your property has enough iron in it– rust is going to be an inevitable obstacle that you’ll have to face at least once in your time as a homeowner.