Pool leak detection in Sanford, FL from Blue Science: pressure and dye testing that finds where a Sanford swimming pool is losing water, a written report with the location and the results explained, the leak repair quoted separately, and a 60-day warranty when we do the repair. Pricing varies by pool, so call for a quote on the standard leak detection visit.
Sanford, FL Pool Leak Detection
Stop guessing where the water is going
We follow the evidence with pressure testing, dye testing, and focused inspection, then explain what we found and the practical next step.
Pool Leak Detection for Sanford
Find the source before water loss becomes a bigger problem
Sanford pools in the historic district sit behind houses older than the pools by decades, on sand a few feet above Lake Monroe, with plumbing that has been replaced in pieces by several owners, while the Lake Forest and Mayfair pools are thirty years old and settling under their lanais. If the level keeps falling after the bucket test rules out evaporation, Blue Science finds the source and quotes the repair separately.
Old lots mean we map what is actually under the deck before pressure testing, because the original run and the replacement run rarely match; near the lake we also watch whether the level tracks Lake Monroe, which tells us which side of the water table the leak is on.
How a Sanford pool shows a leak
A skimmer that gulps air once the level drops an inch, a level that stops at the light, a level that tracks the lake on the RiverWalk side, a lanai deck that has settled at a joint, or a water bill that climbed in the dry season are the signs worth a call. Sand drains the loss away, so a wet spot in the yard is rarely part of the picture.
Skimmer throats and main drain lines on the older pools, return fittings under settled lanais in Lake Forest, and light niches are the usual sources, and each is dye-tested during the visit.
Leak detection for Sanford, Lake Forest, and Mayfair
Our leak technicians cover the historic district, Lake Forest, and Mayfair on the same schedule as our weekly routes, so a visit can be arranged within days. Call for pricing on the standard leak detection visit in Sanford, FL, with repairs quoted separately once the source is found.
Detection carries a 60-day warranty when Blue Science performs the repair, and the line is retested afterward.
A leak test in Sanford
From a bucket on the step to a marked spot
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Bucket test read Yesterday's bucket tells us how much of the loss is evaporation and how much is not. -
Pressure and dye Each line is isolated and pressure-tested; dye finds cracks around fittings and lights. -
The mark The source is marked, photographed, and written up with the repair options.
Your Greater Orlando team
32 cities, one phone number, the same faces
The leak technician, the repair crew, and the weekly routes work out of the same Greater Orlando office, so a found leak becomes a scheduled repair without a second company.

Sanford pool owners love our scientific approach to pool leak detection, and their reviews say it better than we can. Read them here.
Turn Water Loss into a Clear Answer
Want to know what is happening in your Sanford pool?
Tell us how quickly the water level is dropping and what you have noticed around the pool or equipment. We will help you schedule the appropriate leak detection visit and get the issue fixed.
Good to know
Questions Sanford Pool Owners Ask
Can the high water table hide a leak?
It can change the reading. Groundwater pushing in from outside can slow a shell leak while the pump is off and let it run when the pump is on. That is why I test with the pump running and again with it off before I go looking for the spot.
Answered by a Blue Science leak technician, Greater OrlandoWhy is my pool losing 1 inch of water a day?
Because something is leaking. A Sanford pool loses water to evaporation, splash-out, and backwashing, but even daily storms, pollen, and water warm enough for algae most of the year cannot evaporate an inch every day. The fastest check is the bucket test: match a bucket on the step to the pool level, turn the autofill off, and compare after a day; the bucket shows the evaporation, the gap is the leak, and its size tells us whether to look first at a fitting, a line, or the shell, as it does across all 32 cities. Detection is warranted for 60 days in Sanford when Blue Science makes the recommended repair, in all 32 cities we serve.
How can I find out where my pool is leaking from?
Watch the level, then test the lines. Mark the waterline, turn off the autofill, and note where the pool settles over a day or two, the skimmer mouth, the return fittings, the light niche, and the main drain each showing a different stopping point, whatever daily storms, pollen, and water warm enough for algae most of the year are doing. What you cannot see from the deck, a Sanford leak detection visit finds by pressure-testing each line and dye-testing the fittings and the shell, the same routine across 32 cities. The 60-day detection warranty applies in Sanford when Blue Science makes the repair, across all 32 cities we serve.
What is the easiest way to find a leak in a pool?
The bucket test. A bucket on the top step, filled to the pool's level and marked, loses water only to evaporation, daily storms, pollen, and water warm enough for algae most of the year included; the pool loses water to evaporation and to any leak. Compare the two lines after 24 hours with the autofill off and the gap is the leak; in Sanford that takes a day and no tools, and finding the source takes the pressure and dye testing of a detection visit, one call to 321-275-1900. Our Sanford visit repeats the bucket test with the pump off and on, which separates plumbing leaks from shell leaks, in all 32 cities.
What is the most common cause of pool leaks in Sanford?
The skimmer, first and by a wide margin. The throat where the skimmer meets the shell moves every time the deck and the pool move differently, and in Sanford, daily storms, pollen, and water warm enough for algae most of the year keep them moving. Return fittings and light niches come next, then underground lines where a deck has settled, and shell cracks last; each shows a different pattern in the water level, and the dye test confirms it in minutes, as it has across 32 cities. The repair is quoted separately in Sanford, and the 60-day warranty covers detection when we do the work; 321-275-1900 explains both.
Does a leaking pool get worse if I wait?
Yes, in three ways, and daily storms, pollen, and water warm enough for algae most of the year speed all three. Every day the autofill covers the loss you pay for water and for the chemicals that leave with it; water leaving under the deck washes out the fill and settles the deck, which opens more joints; and a pool that drops below the skimmer lets the pump suck air and run dry, which turns a leak call into a repair call. In Sanford the leak that started in spring is a bigger job by fall, which is why 321-275-1900 is worth a call early.
Seen our truck on your street?
That is because we also service Lake Mary, DeBary, Deltona, Winter Springs, and Longwood
Daily storms, pollen, and water warm enough for algae most of the year do not stop at the Sanford line, and neither do our routes: the technicians who handle pool leak detection in Sanford cover these towns on the same schedule.




