Orlando, Florida Pool Leak Detection

The pool drops overnight

Overnight loss is useful because sunlight, splash-out, and feature use are mostly removed from the picture. If the system is off and the pool still falls more than expected, the clue starts moving toward the pool body, fittings, or a static line issue.

• Night-to-morning reading: Mark the waterline after the pump is off and compare that mark before the system starts again.
• Bucket baseline: Use a bucket beside the pool waterline so normal evaporation and pool loss are measured in the same conditions.

Most useful interpretation: A pool that falls more than the bucket while idle deserves leak detection, especially if the same result repeats.

Bring this to the visit: The overnight drop amount, pump schedule, bucket result, and whether the water ever stabilizes at a level.

The drop is worse when equipment runs

Orlando pools often have longer plumbing runs to equipment pads tucked behind screens, side yards, landscaping, or walls. When water loss increases during pump operation, the equipment system becomes a higher-priority suspect than weather alone.

• Run-time comparison: Track a normal pump cycle, then compare it with a similar window when the pump is off.
• One-feature test: Run spillovers, waterfalls, cleaner lines, or solar/heater loops separately instead of testing everything at once.

Most useful interpretation: A clear pump-time increase can point toward return plumbing, feature plumbing, pad fittings, valves, or a pressure-side leak.

Bring this to the visit: How long the pump ran, which features were active, and whether the water loss changed when each feature was isolated.

The water settles at one level

A pool that falls and then stops at the same elevation is giving you a map. The leak is often around that height or just below it, which can make the detection visit much more targeted.

• Document the stopping point: Photograph the final waterline and measure it from a fixed reference like coping, tile, or a step.
• Scan that exact band: Look across the skimmer mouth, return fittings, light niche, grout line, tile line, steps, and any visible shell mark.

Most useful interpretation: Stop-level behavior can narrow the search before any pressure testing or repair conversation starts.

Bring this to the visit: A clear photo of the level, how many times it stopped there, and whether the pump was running during the drop.

There is damp soil, deck movement, or a soft area

In Orlando neighborhoods, water can disappear into soil, mulch beds, paver base, or low drainage areas before it creates a visible puddle. A wet area matters most when it keeps returning in the same place or changes with pump operation.

• Surface evidence: Look for soft soil, washed-out mulch, settling pavers, loose sand, or one damp area that stays different from the rest of the yard.
• Timing evidence: Note whether the area gets worse after the pump runs, after a water feature runs, or after the pool sits overnight.

Most useful interpretation: Repeating ground movement or moisture can point toward an underground line, return plumbing, equipment discharge, or water traveling under the deck.

Bring this to the visit: Photos of the area, when it appears, and whether it tracks with pump runtime or feature use.

The pump is pulling air or losing prime

Air symptoms tell a different story than simple water drop. Bubbles at the returns, a pump basket that will not stay full, or a pump that loses prime can indicate a suction-side problem, a lid or valve issue, or a skimmer-line concern.

• Easy visible items: Check pool water level, the skimmer weir, pump lid condition, lid o-ring, unions, and valve stems.
• Behavior note: Watch whether the bubbles appear immediately, only after the pump has run awhile, or mainly after the system restarts.

Most useful interpretation: Persistent air can be above-ground or underground. Detection helps separate a simple pad issue from a suction-line problem.

Bring this to the visit: Photos or video of bubbles, pump basket behavior, and any visible pad fittings that look damp or loose.

A skimmer, light, tile line, or crack looks suspicious

Visible damage can be a real clue, but it can also pull attention away from the actual source. A crack, grout gap, light niche, return fitting, or skimmer area becomes much more meaningful when it matches the water-loss pattern.

• Line it up: Compare the suspicious area to the level where the pool stops, slows, or repeatedly changes behavior.
• Use dye selectively: Dye is most useful when the water is calm and the target is specific, not when you are scanning the entire pool.

Most useful interpretation: A surface clue plus a matching stop level is stronger than a visible mark by itself.

Bring this to the visit: Close-up photos, the water level at the time of the photo, and whether dye pulled toward the area.

Nothing is obvious, but the pool keeps needing water

This is common in Orlando, especially with autofills, screened pools, rental usage, and equipment tucked out of sight. When there is no single dramatic symptom, sort the problem by behavior instead of appearance.

1. Compare against a bucket. A bigger pool drop than bucket drop moves the issue out of the normal evaporation lane.
2. Check pump influence. A bigger drop during runtime points toward plumbing, equipment, or features.
3. Look for level behavior. A repeat stopping point can point toward a specific elevation.
4. Watch the chemistry. Refill demand can dilute chlorine, salt, stabilizer, and balance even when the waterline looks normal.

Most useful interpretation: A leak does not need a puddle to be real. Refill frequency and repeated behavior can be the strongest clues.

Bring this to the visit: Refill frequency, autofill status, water bill changes, chemical drift, and any photos of waterline marks.