Pool Leak Detection & Repair by Caltech Pools

Pool Leak Detection and Repair in L.A. and Ventura Counties

City of Los Angeles Wetlands Project
Stop and Read

Before hiring someone to perform a swimming leak detection on your pool, ask these important questions:

1. Are they Licensed & Insured? Is their license posted on their website as required by California state law? Here is a link to check on any licensed contractor. If they are not licensed, they're not bonded and insured

2. Do they answer their phones or do you get a voicemail? Partner with a company that is going to be responsive, should problems arise. If you have a problem, do you think they're going to return a message that you left on their voicemail?

3. Do they have a physical address? Fly-by-night companies use P.O. boxes and anonymous mailbox store addresses. And be very careful of fake reviews.

My name is Darren Merlob and I am the owner of Caltech Leak Detection. I am a licensed swimming pool contract in the state of California. I hold a specialty leak detection and associated repair license #969953.

Aside from performing leak detections, I own LeakTronics, a company that manufactures the electronic leak detection equipment that we use daily and sell to thousands of other contractors worldwide. I also own Torque Lock Structural Systems, Inc., a company that manufactures steel staples used in the repair of gunite, shotcrete, and concrete.

I have a training facility here in Southern California, where I teach leak detection for up and coming professionals, worldwide.

I live, eat, and breathe swimming pool leak detection.


Pool Leak Detection

Detecting Swimming Pool Leaks

Pool Leak Detection

Your pool will naturally lose some water to evaporation, some to splash out and some to backwash waste-water. You may also gain water from rainfall. Our rule of thumb is, if you’ve lost more than 1/4-inch during a 24 hour period, you’ll need to perform a pool leak detection procedure and apply pool leak repair methods to address any leaks in skimmers, return lines, lights and drains and/or cracks in the pool masonry.

Pools are meant to be watertight, of course, but sealants will deteriorate, while other parts of your pool shift and settle, or just plain wear out. Pools can leak through any of the fittings or accessories, plumbing or even right through the shell. It is important to repair pool leaks, not only to save water, heat and chemicals, but also to prevent undermining pool structural components, and washing away fill dirt.

Caltech Pools detects leaks in your swimming pools by using our very own, state-of-the-art electronic leak detection technology; LeakTronics.  With LeakTronics, detection of pool water leaks has taken a quantum leap ahead of traditional, time-consuming methods such as water dyes, divers and air pressure tests.  We can pick up pool leak sounds using submersible waterproof microphones.  All pool water leaks produce an underwater sound signature which we can find & monitor with our headphones.

Our process is further confirmed by adding dye to the water immediately opposite the microphone position and visually observe the suction action of the swimming pool leak using a micro-video scope. As dye is injected into the water, the exact location of a swimming pool leak inside a line is easily identifiable as the video camera reveals the dye being sucked into the leak.

Call Today for a Free Pool Leak Detection Consultation (818) 436-2953 or Request Service using the form on the right.


Caltech Pools specializes in “Pool Leak Detection” of all residential & commercial pools, spas, & water features in the Los Angeles and Ventura county areas.

Professional Solutions

Caltech Pools comes from a family of products engineered to advance your business & maximize profits.

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Swimming Pool Leak Detection

Structural Crack Repair

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