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Case Study: LeakTrac 2400 Reduces Time In Cold Water

Type of Pool:

Vinyl

Equipment Used:

LeakTrac 2400, Leakalyzer

Situation:

We were called to help out with an outstate pool that had a pesky leak causing between 1 and 2 inches of water loss per week. This pool had an auto cover which needs to be supported for the winter so it was important that the pool shell was leak free before winterizing the pool.

Solution:

When we showed up the pool was very cold and had wrinkles everywhere, making it tough to identify suspect leak areas… the whole liner was a suspect! Once we got our initial Leakalyzer test going we immediately pulled out the LeakTrac 2400 to start scanning the liner from the deck. We quickly found a leak in the center of the pool – a place that would have taken hours and hours of cold water diving to find without the LeakTrac. The LeakTrac didn’t pick up any other leaks, so we knew the rest of the liner was good. We suited up in a dry suit and quickly patched the leak.

Once the leak was patched we ran a final Leakalyzer test to confirm the water loss had stopped. The pool owner was grateful for the peace of mind of going into the winter leak free with a supported auto cover.

The LeakTrac 2400 has made locating vinyl liner leaks so easy that these jobs tend to get overlooked as we are looking at case study content. As the water got colder this fall we were reminded how valuable this tool really is!

Highlights:

  1. The LeakTrac 2400 is an invaluable tool for locating vinyl liner leaks, especially when dealing with a wrinkled liner and cold water.
  2. Since auto covers can collapse if a pool loses water during the winter, the Leakalyzer is a great tool to give customers peace of mind that their pool is not leaking before closing it for the season.
Tagged , | Posted in Case Studies

Tip: Use Leakalyzer Tests to Check for Light Leaks

As a leak detector, you’re always looking for ways to creatively isolate and test different pool elements to make your jobs more efficient. So, if you’ve already got a pool light covered to run the LeakTrac, try this tip to determine if the light is leaking using the Leakalyzer.

Once you arrive to the job and before setting up your LeakTrac, run a Leakalyzer test to establish what the baseline leak is. Then, once your LeakTrac is set up and the light cover is on, run a second test while you’re doing a scan with the LeakTrac. If the test shows less of a loss or no loss, you know to remove the light cover and investigate the light further.

Check out the below Leakalyzer reports to see how this technique worked on a recent job. Even if you don’t have a LeakTrac, the light cover can be purchased individually.

 

Tagged | Posted in Equipment & Products, Tips & Tricks

Case Study: New Pool, Big Leak

Type of Pool:

Vinyl Liner

Equipment Used:

Leakalyzer, LeakTrac, Dye Tester Cones, Pressure Testing Equipment, Electronic Listening Device, Hydrophone, Tube Level

Situation:

We were called to examine a new build that was losing 4” of water per day. It hadn’t been leaking for the first four days that it was filled but recently started rapidly losing water. When we arrived to the pool the water level was down below the skimmers, but the skimmer bowls were still full of water – indicating that those lines were not leaking.

Solution:

Suspecting that the problem was in a plumbing line, we did a quick dye test of the returns and cleaner line with the dye testing cones, but they also were not drawing water. Our Leakalyzer test had been running during these initial observations, and indicated a loss of 3.5 inches per day. A quick scan with the LeakTrac showed no leaks in the liner, so it was time to dive down to the main drain. A dye test with the dye testing cones showed that line was the source of our water loss.

We then plugged the main drain lines while we were diving and ran a pressure test from the equipment back to the pool. The water pressure test confirmed the line was leaking, so we then started inducing air for sonic location. It took a while for the air to reach the leak, indicating that the leak wasn’t close to the equipment where the air was being induced. So, we used a hydrophone attached to our XLT30H listening device to start listening along the main drain lines where they ran close to the shell of the pool. We could hear the loud bubbling/gurgling noise of air escaping into water saturated soil near the base of the wall in the middle of the deep end.

Since the main drains were plugged we ran another Leakalyzer test to verify that the rest of the pool shell was not losing water and the main drain line was the only issue.

A main drain leak at the base of the wall is not a repair anyone wants to make, so to verify the sonic leak location we used a tube level. We attached a clear plastic tube to the end of a standard open plug in the main drain. Now, instead the leak draining water from the pool it drained the water in the tube. The tube leaked down to the level of the leak and then stopped. We colored the water in the tube with Leakmaster Fluorescent Dye to be able to clearly see the water level. The water level stopped right at the level that we had identified with the hydrophone.

The crew dug up the leaking plumbing line and found a stake had been driven through the pipe!?!

Highlights:

  1. A hydrophone with digital sound graph is helpful when listening for main drain plumbing leaks through the shell of the pool.
  2. The Leakalyzer helps verify the rest of pool isn’t leaking while pressure testing and pinpointing leaks in plumbing.
  3. A simple tube level can help verify the depth of the leak before digging. Be creative with the materials you have on hand!
Tagged , , , , , | Posted in Case Studies

How Do Duck Plugs Compare to Competitor Blow-Out Plugs?

As the popularity of no-drain winterizing grows, it’s no surprise that there are new plugs to facilitate this process on the market. To help you understand how to evaluate these options, we set up a simulated pool plumbing system and tested the Duck Plug against our primary competitor’s blow-through plug. The tests were designed to imitate three key elements of the blow-out process and each test was performed using the Big Blue Blower. Check out our findings!

Water Purge Rate

At the initial stages of the line purging process 2-5 lbs of pressure is required to push water from the lines. During this phase Duck Plugs purge lines more than twice as fast as competitor’s plugs because the duck billed valve opens to a much larger unobstructed aperture. The competitor’s plug does not even open at lower pressures. This is especially a problem if using a lower performing blower and/or when some lines start blowing air and back pressure is reduced for the remaining filled lines.

 

Air Flow

Because Duck Plugs open to a larger aperture, and do so at lower pressures, they also allow substantially more air flow as lines begin blowing air. Air flow is important to clear all water from lines even in low spots. As more lines begin blowing air, the flow rate increases at the main line (trunk) but decreases at each spur (branch). To increase flow at spur lines, Duck Plug valves can be easily blocked with simple paper clasps whereas competitor plugs have no way of being blocked.

 

Back Pressure

The lower flow rate of the competitor’s plug creates a higher back pressure during the clearing stages of the process for a longer period of time. The blower therefore labors harder and longer to clear lines. This will cause the blower to heat up faster and wear out sooner.

 

Seal

A final important difference was noted consistently during testing. The competitor’s plug slowly leaked water back into the purged line after the blower was turned off.  This resulted from the conical seal being pulled back into the funnel shaped opening at a slight angle. Duck Plugs, on the other hand, have been tested in thousands of pools over the toughest of winters without any known case of valve failure.

 

 

Want to see the Duck Plug in action? Check out this video to see for yourself how Duck Plugs and the Big Blue Blower work together to clear plumbing lines quickly and effectively.

 

Tagged | Posted in Equipment & Products

Patching Leaks in Wrinkled Vinyl

Wrinkles in vinyl liners are a common place to find leaks, but are much more challenging to repair than flat tears or holes. There are several products and techniques that can be used depending on conditions of the leak and wrinkle.

wrinkled vinyl liner

The best case option is to be able to pull the wrinkle flat before patching. Once the liner is flat it can be repaired with Boxer Glue and a vinyl patch or Leakmaster Peel & Stick Vinyl Patches. If the hole is quite large, we recommend filling it with Leakmaster Flexible Sealer before patching as an extra layer of security.

If the wrinkle can’t be pulled out, Flexible Sealer works well on its own. Once you squeeze it out onto the hole, it can be pushed down and spread with your finger to fill in the cavity of the wrinkle. Flexible Sealer will stretch and move with the liner so it lasts longer than more rigid repair materials.

If the liner has become thin or frail and it seems as though the hole or cut will continue to spread, Leakmaster Pool Glue provides an aggressive bond to vinyl and is strong enough to keep the vinyl from pulling farther apart. Pool Glue is only available in white, so it is best used with lighter liners or when aesthetics aren’t as important.

leakmaster pool glue on vinyl

Tagged | Posted in Tips & Tricks

Case Study: Not What We Suspected

Type of Pool:

Vinyl Liner

Equipment Used:

Leakalyzer, LeakTrac 2400, Pressure Testing Equipment, Dye, Leakmaster Pool Glue

Situation:

We were at least the second company to take on this job, so the homeowner was concerned about how we could be sure that all the leaks were found. She was also convinced that the leak was in the return side plumbing.

Solution:

We started pump on/ pump off test with the Leakalyzer and found that the pool was losing more water with the pump running. This usually tells us to suspect pressure side plumbing.

We had two techs on this job, so one tech began running a pressure test while the other ran a vinyl scan with the LeakTrac 2400.  The pressure test on the pressure side plumbing held, but the LeakTrac was getting a stronger than normal signal coming from the skimmer.  We did a quick dye check of the skimmer and  sure enough the bottom of the skimmer bowl was cracked. The movement of water in the skimmer, or possibly even a slight shift in the suction pipe when the pump was running caused more water loss.  This was a rare situation where higher water loss with the pump running wasn’t an indication of a pressure side leak.

We repaired the skimmer bowl with Leakmaster Pool Glue and fiberglass mesh, which provides a permanent repair that will be able to handle the movement of the pool as time goes on. We charged the homeowner an additional fee for this repair. Once the repair was done, a final Leakalyzer test confirmed the now repaired skimmer leak was the only leak.

Highlights:

  1. Remember that pump on/pump off tests only provide suspicions of where the problem is.  Further tests are needed for confirmation.
  2. LeakTrac can indicate a leak in the skimmer with higher than normal intensity.
  3. Count on your own observations, diligence and reason more than what other people tell you.
Tagged , , , , | Posted in Case Studies

Common Skimmer Repair Solutions

Skimmers are one of the more complex plumbing components in the pool and when they leak many contractors default to suggesting a full replacement. But if you have the right repair materials you can offer repair options that will save your customers this big expense and build their trust in you for future jobs. We’ve outlined repair solutions for some of the most common skimmer leaks below.

Mouth

On concrete pools, epoxy putty is a versatile option for repairing small cracks where the skimmer mouth meets the shell of the pool. Leakmaster Quick Set or Pool Repair putties are a cost-effective, convenient choice, while the color selection and workability of A+B Putty makes a good choice when aesthetics is especially important.  Putty is so inexpensive that many leak detectors include putty repair as part of the detection cost.  It is, however, a somewhat temporary repair and may have to be replaced seasonally.

A more permanent solution for skimmer mouth issues is to use a foam injection process to seal the cracks and fill voids around the skimmer body.  Closed cell urethane foam fills and stabilizes voids around the skimmer body to make sure that further damage doesn’t occur while also sealing leaks around the mouth. Our complete Crack Repair Starter Kit includes everything you need to to do a skimmer injection plus tools to expand into concrete crack injection, or our Skimmer Injection Kit provides the materials you need to inject 2-3 skimmers without an investment in the more expensive tools needed for crack injection.

Throat

For a cracked fitting or pipe within the first six inches from the bottom of the skimmer bowl, the Skimmer Saver is a unique and easy option. Part of the popular Fitting Saver line, this device allows water to bypass the cracked area of the plumbing while still maintaining regular circulatory function. It can be used as a permanent repair or as a temporary solution until another repair can be done.

Bowl/Body

Due to movement in the ground around the pool, skimmer bowls are especially susceptible to cracks that can be particularly challenging to repair. Leakmaster Pool Glue  provides a versatile solution. The two-part glue hardens like an epoxy putty but is much more adhesive, meaning it will be able to weather the movement of the pool without coming loose. While it’s able to seal smaller cracks on its own, it can also be used with fiberglass mesh strips for extra reinforcement on large cracks. Check out this video to see how the repair is done.

Tagged | Posted in Education, Equipment & Products

Check us out in Pool Pro Magazine!

Anderson Manufacturing was recently featured in an article about leak detection in Pool Pro Magazine. The article explores some of the things to consider when making the decision to add leak detection as a service offering.

We believe that if you’re determined and willing to learn, leak detection can be a profitable and rewarding service offering for your company. As mentioned in the article, all of our training materials are available for free in our Resource Center and we also offer in-house training. If you’re looking to purchase equipment we have pre-set packages to get you started or you can give us a call to put together a custom package that’s perfectly suited to your needs. We value the opportunity to be your partner in leak detection success!

Posted in Education

Case Study: A Job Done Right Pays Off

Type of Pool:

Concrete – Commercial (Apartment Complex)

Equipment Used:

Leakalyzer, Pressure Testing Equipment, Hydrophone, Dye, Dry Suit, Super Snorkel

Situation:

After opening the pool for the summer the customer noticed significant water loss and gave us a call. When we arrived to the job the Leakalyzer reported nearly 6” of water loss per day.

Solution:

The first two leaks were found right away while we were gathering information. One was clearly visible while we were inspecting a return fitting and the other was found around an equalizer line while we were scanning the pool with a hydrophone. We were able to repair both leaks with Leakmaster Pool Repair Putty.

After the initial leaks were repaired a new Leakalyzer test reported 2.35” of water loss per day. We used dye to find two more leaks – one at another return fitting and one at the tile line.

Once these leaks were repaired the Leakalyzer was still reporting a loss of 1.84” per day. So far we had found and repaired four leaks but were still losing a significant amount of water. We ran a quick pressure test to eliminate the plumbing as the source of the remaining water loss.

Finally a crack in the tile line deeper down in the pool was found and fixed getting us to a no water loss test. Five leaks found, five leaks repaired. Between the multiple Leakalyzer tests, pressure tests, electronic microphone use, extensive dye testing and even diving in freezing spring water this job was more work than most. Once it was all said and done we felt good that we didn’t just solve one of their problems and move along. The property manager was thankful and eager to get us set up as a vendor for all their properties. They even mentioned that we’d done more than other companies had ever done.

Highlights:

  1. Large leaks in concrete pools can be found with a hydrophone, but it may not pick up smaller leaks.
  2. Using the Leakalyzer throughout the job meant we were there longer finding additional leaks, but it saved us from a costly callback.
  3. Extra effort and a job well done gets noticed and helps drive future business.
Tagged , , , , | Posted in Case Studies

Leakalyzer Tip: How to Edit Data in the Reporter Program

Did you know that you can crop data in the Leakalyzer reporter program to make your reports clearer and more accurate? While seeing how the graph responds to a variety of environmental factors is helpful most of the time, there may be situations where an otherwise good test goes awry. Say a diver gets in the pool toward the end of a test and causes the water level to rise, but you still want to be able to include the test in a report for the homeowner. To avoid confusion you can remove the affected data from the .TXT file before it uploads into the reporter program. Here’s how it’s done.

Below is a good, clear test but it wasn’t stopped before a diver got in the water at the end of the test to make a repair. You can see the sharp rise and drop toward the end of the test – this is the portion we want to cut out.

The same test in the Leakalyzer reporter program is below. Note that the detail information is inaccurate due to the surge when the diver was in the water.

To create a reporter file without the misleading data at the end you can cut those data points out of the .TXT the Leakalyzer creates to upload the tests.  Open the .TXT file, which should look similar to below:

Find the points that correspond with the data you don’t want on the test and simply delete and re-save.  The portion below is what was deleted from the test:

An additional 30 lines of data were also removed

Save the new text file and import the updated version into the Leakalyzer Reporter Program. This will produce a much more accurate report of the water loss in the pool.  This is what the report looks like after the data was cleaned.

The estimates for inches per day and gallons per day are now more accurate and the graph is more indicative of what was actually happening to the water level of the pool.

Tagged | Posted in Equipment & Products, Tips & Tricks

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