Children and dogs never get tired of them
No other feature earns as much use per dollar in a family backyard.
Pool Bubblers
A low fountain rising through the shallow water of the sun shelf: the quietest water feature we build, and the one children never leave alone.
What It Is
What is a pool bubbler?
A small jet set into the floor of a sun shelf that pushes a low, churning fountain of water up through the surface. It stands a foot or two high and falls back on itself with a soft rolling sound, closer to a spring than a fountain. It is the only water feature that lives inside the pool at your feet, which is why children end up sitting in them for entire afternoons.
Bubblers belong to the sun shelf: they turn it from a place to sit into a place to play, and circulating that shallow water keeps the shelf from heating up as much in full sun. The plumbing runs before the shell is poured, so they are a design decision, not an afterthought.
Two across a wide shelf 
Bubbler in Sun Shelf
Your options.
Quantity
One, two, or three across a shelf. Two is the usual answer and looks balanced. Three suits a long ledge and gives a symmetrical, resort-style rhythm.
Lighting
Plain, or fitted for an LED beneath. A lit bubbler is a completely different feature after dark: the whole column of moving water glows and colors with the pool lights.
Height and flow
Adjustable, from a low boil to a taller column. Low reads calm and stays quiet. Higher is more visible from the house and splashier where people sit.
Spray pattern
A tighter or a wider column. Tight looks sculptural and controlled. Wide looks natural and gives more sound. Lens options shape the water either way.
Placement
Toward the shelf's outer edge, or centered in it. We keep them clear of where loungers and umbrellas go: spray landing on a chair is the most common regret.
Why bubblers.
A gentle sound, not a loud one
Easy to talk over, with enough movement to soften traffic noise.
They keep the shelf cool
Moving water stops the shallow ledge going bathwater-warm in full sun.
They light beautifully
With an LED beneath, the whole column glows after dark.
Cheap to run
They work off the pool's own circulation, not a dedicated pump.
Almost nothing to maintain
Flush with the shelf, no exposed hardware to corrode.
FAQs
The six questions we hear most about bubblers.
Do bubblers splash outside the pool?
At full height, yes, it can: a tall column throws water past the shelf edge, which is fine on a deck built to drain and less fine on furniture. Most people run them lower than they expected to.
Can bubblers be added to a finished shelf?
Not easily. Adding one means opening the structure and running new plumbing, disproportionately expensive for so small a feature. If there's any chance you'll want them, it costs very little to plumb for them now.
Where on the shelf should they go?
Toward the outer edge or centered, and always clear of where loungers and umbrellas go. The shelf layout, furniture, umbrella sleeve, entry path, gets settled before the bubbler locations are set, because placement is permanent.
How many bubblers should a sun shelf have?
Two is the usual answer on a typical shelf and looks balanced. Three suits a long ledge. One can look accidental unless it's deliberately placed as a single focal point.
Are pool bubblers loud?
No. They produce a soft rolling sound rather than a splash, and it's easy to talk over. If you want water sound loud enough to mask a road, a sheer descent or scupper does that better.
Do bubblers need their own pump?
Usually not. They typically run off the pool's existing circulation. What they do need is dedicated plumbing installed during construction.
Other Water Features
Compare all five
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