Dunrite Pools – Long Island Vinyl Swimming Pools – FAQs

How do know if my swimming pool is leaking?

The most common indication of a leak is that the water level is dropping faster than what is normally attributable to evaporation or splash out. Often leaks are big enough that excess water loss is obvious. If you wake up to find that your pool has dropped several inches overnight you know you have a problem. However there are some leaks that develop slowly but are just as serious.  In these cases it is important to determine what normal water loss is by performing a bucket test which determines the rate of evaporation.  Other pool leak symptoms may be actual evidence of the water that has escaped from your pool. Wet or mushy spots in the lawn may be evidence of underground plumbing leaks.  Structural damage cracks and settling to the deck or pool may also be indications of underground leaks.  A pool leak in the suction side plumbing known as an air leak can be just as damaging to your pool even though you never notice symptoms of water loss. Air into the plumbing lines will show up in the pump or be blown back into the pool through the returns; either situation will require professional attention to avoid causing mechanical damage to your pool equipment.

What is a bucket test?

Before becoming too concerned about a leak you can do a simple test to determine if water loss in your swimming pool is due to a leak or is just evaporation. This simple test is called the bucket test.  Basically, the bucket test exposes water in a bucket to the same conditions as those affecting your swimming pool. By comparing the water loss in each, it is possible to determine if the pool is leaking or if supposed leaks are just the result of water being lost to the air.

Bucket Test Procedure:

  1. Bring the pool water to its normal level
  2. Fill an empty bucket with pool water to about one inch from the top of bucket. (By filling the bucket close to the top you are ensuring that air movement over the surface of the bucket will similar to that of the pool.)
  3. Place the bucket on the first or second step of the pool. To keep it from floating away it may be necessary to place a few bricks or rocks into the bucket. (By placing the bucket in the pool water you are ensuring that the water temperature of each will be similar).
  4. Mark the water level inside the bucket.
  5. Mark the water level of the pool on the outside of the bucket, on the pool wall, or skimmer face plate.
  6. Operate the pool for 24 hours as it had been operated when a leak was first suspected.
  7. After 24 hours, compare the two levels. If the pool water (outside mark) goes down more than the inside water level, there is probably a leak.

How will a pool leak professional find my swimming pool leak?

Our swimming pool leak detection expert will follow a systematic approach when locating your pool leak.  Knowledge of swimming pool operation and construction, use of specialized equipment, and on the job experience will all come into play as we locate leaks in your pool. The first step for any pool leak detection job happens before the pool leak professional ever gets to your pool.  You should be prepared to provide information about your pool to our technician over the phone when you first call.  When did you first notice the leak problems? How much water are you losing (based on the results of a bucket test)? Does the pool leak more with the pump running or with the pump off? How old is the pool? What type of pool is it? The more information you can provide about the suspected pool leak the better.  Based on this information we should be able to give you an idea of what type of detection or repair will be required and schedule the job.  Because of the specialized equipment and expertise required for leak work you should be prepared to pay a little bit more per hour for detection services than you would for most regular pool service activities. With the information provided our technician will either perform a pressure test or leak detection.   A pressure test will find the leak in your plumbing lines or shell of the pool and a leak detection will find a leak in your liner. Once the leaks are found most simple repairs (such as one or two vinyl patches) can be made immediately. Further repairs to cracks, underground plumbing, or pool equipment however will usually involve additional work and tools and will be quoted and scheduled separately.

Can I find the swimming pool leak myself?

While pool leak detection experts have the experience and equipment that allows this process to be performed in several hours or less, a diligent pool owner may be able to find some leaks themselves, or at least start the process that can make the leak professional’s job more efficient.  If you do decide to start looking for the problem yourself, the first step is to eliminate obvious and visible leaks. Check around the equipment for evidence of leakage or moisture. Carefully check all fittings that go into or out of the pool pump, filter, or heater. Check for leaky pump lids, leaky valves, or leaky seals. Also check to make sure that your multi-port valve is not leaking water to the waste line. If it’s possible to see where this backwash line empties, check to make sure that you don’t see water flowing or dripping from here. Underwater leaks in the pool shell or fittings can be identified with a dye test. A Dye Tester allows placement of a small amount of colorant near, (within ¼”) a suspected leak. Dye will be drawn out of the pool where there is a leak. Start by testing suspect areas such as inside the skimmer, and places where return fittings, skimmers or stairs join to the pool shell or liner. Many pool cracks may be just superficial and not be a cause for concern. If a crack is leaking however and draws dye it should be patched or professionally repaired.  Most dye testing can be done from the pool deck; however you will eventually have to get into the pool with a dive mask to completely inspect the shell or liner for leaks. There are an assortment of epoxies and sealants that can be used to fix a leak once found. Don’t be discouraged if you can’t find anything though; most pool leaks are not visibly obvious, or may be in parts of the pool, (such as the underground plumbing system or lights) that are inaccessible. A qualified pool leak professional utilizing specialized equipment should be able to find a leak anywhere in your pool within an hour or two (some complicated jobs may take longer).

When should I schedule my pool opening and/or closing?

Pool openings and closings are scheduled a season in advance. Pool openings can be made starting October 1st, pool closings starting June 1st.  It is recommended that you call to schedule your appointment as soon as possible as appointments book up quickly for the more desirable dates.

Do you repair automatic cleaners?

Dunrite has a full service and repair department. We are an authorized Aqua Products,
Aqauatron, Dolphin, Nitro, Hayward Tiger Shark and Polaris repair and warranty station.

Do we do weekly maintenance and/or power vacuuming?

Dunrite does not provide weekly maintenance or power vacuuming. If you call the retail store one of our sale associates can recommend a service company.

Do we test water?

Dunrite has a fully computerized water analysis department. Our water testers are trained in proper water chemistry and will provide you with a computerized report of your water test results and teach you how to maintain sparking healthy swimming pool water.

Do we repair pool pumps and filters?

Our technicians repair most pumps and filters. Hayward and Jandy are the most popular manufacturers we work on. However you can call our retail location with make and model and one of our sales associates can confirm if we do repair that specific pump or filter.

Do we install or service gunite pools?

We do not install or do any service work on gunite pools. All of our pools are steel walls and vinyl lined.


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