A spa that drops water level week after week has more going on than plain evaporation. In Citrus Heights summer heat some loss is normal, but a steady drop with the pump off points to a leak. The company tests the spa on its own lines, with dye tests at the fittings, listening gear on the pipes, and pressure checks on the plumbing, and the spa usually stays full through all of it. That is the spa leak detection visit in short: test the lines, mark the fitting, report the spot.
Signs your spa is leaking
- Water level drops steady, even with the pump off
- Pump runs dry or loses prime
- Wet soil or soft ground near the spa equipment
- Air bubbles at the jets with no clear cause
- Water bill climbs while the spa level falls
A spa leak rarely shows as a puddle on the deck. The water leaves through a fitting, a buried line, or a pump seal, and soaks into the soil out of sight. The level drop is the sign most owners see first. If the drop stays steady through cool nights too, it is not evaporation. It is a leak worth testing.
Where spa leaks hide?
Jets lead the list. A jet fitting that worked loose lets water slip behind the shell with every cycle. Pump seals and heater connections come next, and both show as damp soil or mineral crust near the equipment pad. Shell fittings and light niches leak steady even with the pump off, because the water sits against them all day. Buried suction and return lines leak into the soil along the pipe run, and the only sign is a soft patch of ground or a level that never holds.
How the company finds a spa leak?
The visit starts with the water level and the equipment pad. Dye tests come first at each jet, fitting, and light niche: a small dye cloud that pulls toward a fitting marks the leak point. Listening gear goes on the spa lines next, and the sound of escaping water points to the section that is failing. A pressure test on the spa plumbing closes the case, by showing whether a line holds pressure or drops it. The three tests together beat any one test alone, because two tests pointing at the same fitting leave little room for doubt.
Is it evaporation or a leak?
Summer heat in the Valley takes water from any open spa, and a hot week can look like a leak. The check is simple. Mark the spa level and watch it with the pump off for a day. A level that drops fast with the pump running and holds with the pump off points to a pressure-side line. A level that drops steady either way points to the shell or a fitting. The bucket test for pools uses the same idea with a control bucket, and it works as a first check before a detection visit.
Spa leaks and pool leaks are different checks
A spa runs its own jets, pump, and heater lines, even when it shares a deck with a pool. The company tests the spa lines on their own, not as part of the pool lines, because a spa fitting and a pool fitting fail in different places. If the pool holds level and the spa does not, the spa lines are the suspect set. Pool checks cover the pool shell and pool lines, and the spa visit covers the spa set alone.
Do you need to drain the spa first?
In most cases, no. Dye tests and listening tests run with the water in place, and the pressure test uses the lines as they sit. Draining a spa before testing can hide the leak, because a fitting that leaks under water pressure may seal up dry. Keep the water in, note the level drop, and let the company test the spa as it runs. If a drain is ever needed for a repair, your pool contractor decides that after the spot is marked.
What the visit leaves you with?
A marked spot and a written report. The report names the fitting or line, the tests that pointed to it, and the repair point your pool contractor works from. Detection ends there. The repair contractor opens the marked spot and fixes the fitting or line, and a retest after the repair confirms the spa holds level again. How a detection visit runs follows the same order on every visit: test first, mark second, open last.
Frequently asked questions
How do you find a leak in a spa?
The company runs dye tests at jets and fittings, listens on the spa lines, and pressure tests the plumbing. The three tests together point to the fitting or line that is failing.
Can a spa leak without any visible water?
Yes. A buried line or a fitting behind the shell can leak into the soil with no puddle on the deck. A steady water level drop with the pump off is the sign to test.
Does spa leak detection need the spa drained?
In most cases, no. Dye and listening tests run with the water in place, and the pressure test uses the lines as they sit.
Who repairs a spa leak after detection?
Your pool or plumbing contractor repairs it from the report. The detection visit locates the leak and marks the spot, and the repair contractor opens that spot.
How is a spa leak different from a pool leak?
A spa runs its own jets, pump, and heater lines, so the test points differ from a pool. The company tests the spa lines on their own, not as part of the pool lines.
Related
- Pool and Spa Leak Detection
- How Leak Detection Works
- Pool Bucket Test: Evaporation or Leak?
- Leak Detection Services in Citrus Heights
- Contact
Think you have a leak?
Call AquaTrace Leak Detection to describe the water loss in your spa in Citrus Heights and get connected with a company that will plan how to find it.
Call (916) 312-0470Last updated: October 31, 2026.