The most common irrigation complaint on the Emerald Coast sounds like a riddle: "I water more than my brother in Georgia and my lawn looks worse." The answer is under his feet — clay — and under yours: sand.
Where the water goes
Clay soil holds water like a sponge, releasing it to roots over a day or more. Sand holds water like a colander. A long morning soak in sandy soil pushes water down past the root zone within hours — your grass roots live in roughly the top few inches, and by afternoon the moisture has drained below where they can reach. You watered generously; the lawn drank almost none of it.
Cycle and soak: the sandy-soil fix
The counterintuitive answer is shorter watering, more often — called cycle-and-soak. Instead of one long run per zone, the system runs each zone briefly, moves on, then returns for another short cycle. Each pass wets the root zone without pushing water past it. Same total water — sometimes less — dramatically more of it actually reaching roots.
This is a controller-programming and zone-design problem, which is why simply "watering more" never fixes it and why a system designed for clay-country defaults quietly fails here.
The rest of the sandy-soil design
Heads spaced for true head-to-head coverage, because sand shows every dry gap as a brown patch. Zones split by sun exposure, since a south-facing strip dries twice as fast. Beds converted to drip. And a rain sensor — required on new Florida systems, and genuinely useful in a climate where a storm can deliver a week of water in an evening.
We design, install, and repair systems around exactly this. See the irrigation service, or pair it with new sod done right.