Swimming Pool #8

Material: Concrete
Walls finish: Vinyl liner with mosaic pattern
Filtration: Filtration unit
Equipment: Filtration unit with built-in:

  • Circulation pump
  • Filtering bag
  • water skimmer
  • underwater light

 

This inground concreteswimming pool and many others have been built by our company. We stand for quality workmanship and responsible building with 100% satisfied clients. You can contact us if you are planning to have a swimming pool built in your yard. We employ our own builders and do not use subcontractors that is why can guarantee the high quality of every project.


Click here for more pools built by our company

 

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Swimming pool winterising


Winterising outdoor swimming pool

May be you will be surprised that your outdoor swimming pool in Bulgaria needs to be prepared for the winter. Many foreign citizens who bought properties with pools in Bulgaria were not familiar with the characteristics of the local climate and didn’t know what to do. We can say only pools which are located in the close proximity of the sea coast don’t need winterization (but they need to be shut down anyway). For all other outdoor facilities, even located on several kilometers away from the beach, special winter care is required.

The preparation of the outdoor inground swimming pool for the winter season is a very important aspect of the correct pool maintenance. The main purpose of the procedure is to preserve the pool during the cold months when eventual water freeze may damage the construction, the tiling and the expensive pool machinery and equipment. The task is somewhat time and effort consuming and if you are not sure you can manage it by yourself, it is better to hire a professional to do the job. For those, who want to give it a try, we have prepared a short step-by-step instruction of how to do it.

If you want your pool to stay clean we recommend following the procedure:

1. Balancing the water chemistry

Water chemistry check kitA week before the closing of the pool, a water chemistry check has to be done and particular measures have to be taken if needed. The water characteristics should be as follows:

Chlorine: 1 - 3 parts per million
Alkalinity: 80 - 120 parts per million
Calcium Hardness: 175 - 250 parts per million
pH: 7.2 - 7.6

 

1. Boost the Chlorine level up to 10 - 12 parts per million using a “Chlorine Shock”. Wait till the Chlorine lever normalizes to 1 - 3 ppm, and then put a winter algaecide to prevent the algae from growing (ensures the water to stay clean and sparkling during the whole winter).

2. To adjust the Alkalinity level of the water use Sodium Bicarbonate (baking soda) to RAISE the level and Muriatic Acid (pool acid) or Dry Acid to LOWER the level.

3. To adjust the Calcium Hardness level of the water use Calcium Chloride to RAISE the level and special commercial Hardness Reducers or Chelating Agents to LOWER the level.

4. To adjust the pH level of the water use Sodium Carbonate to RAISE the pH level and Sodium Bisulphate to lower the pH level.

5. To ensure the good dispersal of the chemicals in the water, keep the circulation running for 24 hours.

2. Cleaning

Clean the poolBrush or vacuum the sides and the floor of the pool. Remove all leaves and other debris from the top and the bottom of the pool using a leaf rake. Leaves and other dirt may cause staining of the pool’s surface.

 

 

From our personal experience, we cannot 100% guarantee that the water will remain sparkling and will not become green and muddy, even if you have followed strictly the above listed instructions.

HERE IS WHAT WE DO:

A week before closing the pool we stop adding any chemicals in the water. Of course, the water gets green a bit, but this is not a big deal. When the springtime comes we drain completely the pool and use the water to irrigate the gardens. After emptying the pool, we brush and clean it thoroughly and fill it with clean fresh water.

3. Removing the pool accessories

Removing the pool accessoriesUninstall and remove all wall fittings, ladders, slides, handrails, skimmer baskets, etc. and store them in a dry and safe place for the winter.

 

 

 

4. Lowering the water level

The water in the pool has to be lowered up to the bottom of the skimmers mouth. This will protect the skimmers against damages caused by the eventual water freezing and expanding during the winter. DO NOT completely drain the pool, because this may cause structural damages on the construction.

Do not drain the pool

5. Draining the pump, filters and pipework

Draining the pump Backwash and clean the sand filter and the pump basket (strainer). Drain the water out of the pump, filter and chlorinator by removing the drain plugs. Otherwise, it will freeze, expand and crack. The best way to remove the water from the equipment is to blow it out with an air compressor or a shop vac. Turn the multiport valve on a “Closed/Winterized” position and remove the pressure gauge. Disconnect the pump and the filter and store them in a dry and warm place for the winter. Remove all water out of the return jet pipes by blowing it out with the compressor or shop vac - blow each plumbing line of the system until bubbles start appearing in the pool and then plug the jets. Do the same by the skimmer pipes and put a Gizzmo to seal the skimmer opening. Instead of a skimmer Gizzmo, an empty and closed plastic soda bottle will do the same - to act as an expansion bottle to be compressed by the ice instead of cracking the skimmer.

All valves above the water level should be left open and all under water level closed.
Turn off the power supply to the system. If you have a chemical feeder, you have to remove any chemicals or chlorine tablets left and drain the feeder.

Multiport valveSand filter
SkimmerReturn jet

6. Putting expansion bottles in the water

Expansion bottlesIn order to compensate the water expansion when freezing, put floating plastic bottles in the water near the pool’s board. You can use empty plastic soda bottles. Put some sand in the bottles to ensure they will stay vertical in the water. Tie the bottles together with a rope and put them close to the pool’s walls. In order not to have swimming bottles all over the pool, secure the rope ends with a stone or other heavy object at the pool’s boards. By eventual freezing of the water during the winter, the expansion of the ice will crack the bottles and not the walls and the tiling.

7. Installing the pool cover

Safety pool coverThe final step of the pool’s winterization is the installation of the safety cover. The winter pool cover is recommendable but not an absolute must (your pool will surely survive during the winter also without it). The cover keeps the sunlight and the debris away from the water during the winter period. When placing the cover strictly follow the specific manufacturer’s instructions.

 

6. Regular water check

It is advisable to check the condition of the water and the equipment from time to time during the winter. By heavy rains and snow the water level may increase and draining of the excess water may be needed.

Please remember that these are only general instructions and tips for proper pool winterization. This is not an user’s manual and we don’t assume any responsibility. If you are not sure about what and how to do it, we recommend hiring a professional.




Builder in Bulgaria - Contact You can contact us if you are looking for a Builder in Bulgaria. We are general builders covering all aspects of construction including Property Renovation, Repairs and Property finishes in Bulgaria. Click here to >> Contact us <<





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Swimming pool leaks detection and repair


How to find a leak in a pool

Water loss from a pool normally varies between 3 mm and 6 mm per day due to evaporation, but greater loss indicates a leakage problem. It is possible that at certain point of time your outdoor concrete swimming pool starts leaking. Pool leaks can result from defects in the pool concrete shell or any of the plumbing associated with recirculation, filtration and spa systems.

The first and most obvious indicator that your pool has a leak is the loss of water and the lowering of the water level. To be sure that you really have a problem in your pool, a couple of simple test have to be done in order to determine the reason for the water loss.


Reasons for water loss in the outdoor pools

Generally, there are three reasons for water loss in the outdoor pools:

  • Natural evaporation and splash-out. Depending on the climatic characteristics of the region you live in, your pool may lose certain amount of water due to natural evaporation. The people who are using the pool can also splash out quite a big amount of water.
  • Leaks in the plumbing lines. Leaky valves, leaky seals, leaky pump (lid or body) or a broken pipe could result into major water losses and have to be repaired as soon as possible.
  • Concrete shell leaks. Even the smallest cracks in the tiles and plaster may cause a solid water loss. Very often leaks come from the areas where the skimmers, the lights, the return jets and the other fittings are installed into the pool’s shell.

HOW TO DETERMINE THE REASON OF THE WATER LOSS IN MY POOL?

1. Water loss through evaporation from pool water surface

Water loss through evaporation from pool water surface

Evaporation is the changing of water from a liquid state to a gas. It is usually used to indicate a state change below the boiling point of water. To determine if the water loss comes from evaporation fill a transparent container or a jar with water and place on the first pool step or fix it somehow floating in the water ( THE BUCKET TEST). It is important that the water level in the pool is the same as the water level in the container and the pool is not used during the test. If there is a difference in the water levels after a couple of days (for example – the pool level is lower than the container level) this means that your pool has a leak.

Bucket test

Swimming Pool Water Loss Calculator

 

2. A leak in the swimming pool plumbing system

Leak in the plumbing system

The basic configuration of a swimming pool plumbing and filtration system is simple. Water is pulled through the skimmers and main drain in the swimming pool by the pool pump. Then the water travels through the pipes back to the filter room where it passes through the pump and is then pushed through the filter, and is returned back into the pool through the return lines. The plumbing systems are a constant source for water loss for a lot of different reasons ranging from pipes material, installation quality, age, configuration and soil conditions. Before you begin to tear apart your plumbing system you need to locate the leak in the plumbing system first.

Swimming pool with Sand filter filtration swimming pool with sand filter and skimmers - scheme

The procedure used to monitor and log the water lever over given period (usually over a week) of time is called a “Hydrostatic diagnostic test”.

The test will return one of these options:

1/ The pool is losing the same amount of water regardless if the pump is on or off:
=> broken pipe, leak around skimmers, lights, drain, multiple leak locations

2/ The pool is leaking more when the pump is on, but water loss is experienced in both conditions:

=> loose fitting or crack in return line, multiple return line leaks

3/ The pool is leaking more when the pump is off, but water loss is experienced in both conditions:

=> loose fitting or crack in suction line, multiple leak locations

4/ The pool is leaking when the pump is on, and not leaking when the plumbing system is off:

=> crack in the return part of the plumbing

5/ The pool is leaking when the pump is off, and not leaking when the plumbing system is on:
=> crack in the suction part of the plumbing

Should the monitoring results indicate a difference in rate of water loss when the plumbing system is running and when it is shut off, this can be a strong indicator for a problem existing in your plumbing system.

A simple inspection of the area around the pool could be very helpful to detect a leak from the plumbing. To determine if the leak comes from the plumbing you have to investigate the ground around the pool, the filter and pump area and all the pipes coming from and going into the pool. If you see a wet or damp spot, follow the line to find the trouble-maker.

Both ways – the conclusions from the hydrostatic test and the pool inspection would help you to discover by yourselve the reason for the water loss but in any case it is recommended to call a professional to deal with the problem.

 

3. A leak in the pool’s shell

When the water loss is the same regardless if the plumbing system is running or not, then you probably have a leak in the structure of the pool itself, and not in the plumbing system.
Underwater leaks in the shell and the fittings can be identified with the help of special dye - the so called Leak Detection Dye Test. First of all you have to turn off the pump and wait until the water is calm. By adding some dye in the water near suspicious cracks, the skimmers, the return lines, the lights and all other underwater fittings piercing the pool’s shell you will be able to determine where the problem is. If there is a leak, the dye will be sucked into it. The leaks from the shell should not be underestimated or ignored, because they may lead to even bigger structural damages, not to mention the high water bill and the excessive usage of chemicals.

No matter if the leak is in the plumbing or in the shell, prompt measures have to be taken to eliminate the problem and to avoid further damages. As an experienced builder of concrete swimming pools, we are familiar with all most probable leakage places and can help identifying and repairing the leak in your pool.

 


How to repair leaks in your swimming pool


Because of significant loss of water a client contacted our company to undertake the repair of his outdoor swimming pool. The pool was losing water and the leakage was damaging the pool’s neighboring area.
It was ascertained that the concrete shell was leaking through cracks in the tiles and through the underwater fittings. The unprofessional execution of the construction works, especially in the skimmers and return lines zones was ascertained when the skimmers’ bodies and the return inlets were removed.

1. Skimmers and inlets

When we drilled around the skimmers and the inlets we found there big holes filled with brick pieces instead of waterproof concrete and plaster.

The areas were cleaned carefully from brick pieces and wooden shattering remains and after that filled with hydraulic cement in order to prevent any further leakage from these particular zones.

When the cement filling dried out new tilling in the areas was professionally installed, leaving no visual trace of the repair.

2. Shell cracks

When building a concrete pool it is essential to execute the body as a monolithic structure free from work joints in order to avoid movement or cracking within the pool shell, water loss and subsequent damages.

In our case, the upper part of the pool had been concreted separately from the rest of the pool’s body and thus forming a joint. In the course of time, really bad cracks had appeared in the pool’s tiling. The water was leaking through the holes and was destroying the area around the pool and damaging the stone ground tiling. These cracks were also very dangerous for the concrete pool shell itself. If not cured these cracks would continue to erode the concrete and the forces involved would keep on pulling the cracks apart. It was not possible just to glue or plaster them over, to fill them with some epoxy and silicone products, or other pool repair putties. More serious measures had to be taken.

3. Chiseling along the crack line

In order to make the walls as monolithic as possible we had to chisel around the joint and clear the damaged concrete. The openings were then filled with hydraulic cement that would connect the two separate parts of the wall into one monolithic structure free from cracks, joints and other leaking zones.

After the cement was dry the places were plastered with hydro insulation and the tiling was renewed. After the repair, the walls were looking as good as new.

4. The plumbing

This particular pool didn’t had any leaks from the plumbing itself but from the places where the pipes were installed. There were large openings where the pipes were going into and out of the pool’ s walls filled again with brick pieces and mortar. Through these holes the pool was leaking in the ground and destroying the neighboring area. We assume, two separate building companies had executed the concrete works and the pipework without any coordination between each other and the results are abvious. And again the brick pieces were carefully removed and the gaps around the pipes were filled with hydraulic cement which is a special cement mixture that expands as it dries and is mainly used to fill the void areas in foundations around water pipes, foundation form holes, electric wire sleeves and others of this kind.

5. Repairs of the damaged yard tiles outside the pool

Because of the numerous leaks from the pool, the tiled sun area around the swimming pool were damaged also. The leaking water had drained into the soil and the ground had sunk unevenly. Some tiles were loose or broken. The client had assigned our company to repair the problematic areas and to install new tiles.

The tiles were completely removed, a new stell reinforcement installed and concreted. When the concrete dried, the new tiles were installed to the complete satisfaction of the client.




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Swimming pool #7

Material: Concrete
Walls finish: Glass Ceramic tiles
Filtration: Sand filter
Equipment:
  • circulation pump including sight-glass
  • sand filter with multiport valve and pressure gauge
  • upper level water skimmer with lower level suction areas
  • associated pipe work and fittings
  • lights

This is a concrete pool that has been left unfinished by another building company. We were contacted by the owners with the request to complete the pool. This is how we found it:

Formwork and reinforcement



The existing shuttering was incomplete and in not very good condition, adding some more steel reinforcement was required. We finished the formwork and strengthened the existing one. The necessary steel rebar was added.

Concreting



In the concrete we used by the construction of the swimming pool were added waterproofing additives. We carried out all the concreting with no interruption which guarantees the shell to be waterproof and without joints. The still liquid concrete was vibrated with vibrating poker to ensure no air pockets will occur.
The blue line on the bottom is a swelling tape. It is used for sealing and waterproofing work joints between concrete slab and concrete wall.

Plastering and leveling the floor



When the concrete was dry the formwork was removed. The concrete bottom of the pool was very uneven and had to be leveled.

Coping stones, waterproof render and tiling



The coping stones were installed on the top of the walls to ensure the elegant silhouette of the pool. All the stones were carefully positioned and leveled for achieving a straight and accurate outline. Before the tiling was performed, two layers of a waterproof render have been applied to the inside of the walls and the bottom. The internal surface was then covered with mosaic tiles for pools.

Pool equipment and light installation, plumbing



Essential part of the pool construction is the proper installation of the equipment and the plumbing. Only high quality products were used and the installation was carried out our professional team.

Run-up and commissioning



The pool was filled with water and the pump turned on. After treating the water with chemicals the look of the pool changed dramatically with the cristal clear look of the water. The paving around the pool was perfomed by the owners.

 

GALLERY


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Swimming pool #6

Material: Concrete
Walls finish: Glass Ceramic tiles
Filtration: Sand filter
Equipment:
  • circulation pump including sight-glass
  • sand filter with multiport valve and pressure gauge
  • upper level water skimmer with lower level suction areas
  • associated pipe work and fittings
  • lights
Extras:
  • Counter current jet
  • Spa massage jets

This inground swimming pool and many others have been built by our company. We stand for quality workmanship and responsible building with 100% satisfied clients. You can contact us if you are planning to have a swimming pool built in your yard. We employ our own builders and do not use subcontractors that is why can guarantee the high quality of every project.


Click here for more pools built by our company

 

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Builder in Bulgaria - Contact You can contact us if you are looking for a Builder in Bulgaria. We are general builders covering all aspects of construction, including Property Renovation Repairs and Property finishes in Bulgaria.
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Swimming pool #5

Material: Concrete
Walls finish: Glass Ceramic tiles
Filtration: Sand filter
Equipment:
  • circulation pump including sight-glass
  • sand filter with multiport valve and pressure gauge
  • upper level water skimmer with lower level suction areas
  • associated pipe work and fittings
  • lights (colors changeable by remote)

This inground swimming pool and many others have been built by our company. We stand for quality workmanship and responsible building with 100% satisfied clients. You can contact us if you are planning to have a swimming pool built in your yard. We employ our own builders and do not use subcontractors that is why can guarantee the high quality of every project.


Click here for more pools built by our company

 

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Builder in Bulgaria - Contact You can contact us if you are looking for a Builder in Bulgaria. We are general builders covering all aspects of construction, including Property Renovation Repairs and Property finishes in Bulgaria.
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Swimming pool #4

Material: Concrete
Walls finish: Glass Ceramic tiles
Filtration: Filtration unit
Equipment: Built-in:
  • Circulation pump
  • Filtering bag
  • water skimmer
  • lights
  • shallow area for kids

This inground swimming pool and many others have been built by our company. We stand for quality workmanship and responsible building with 100% satisfied clients. You can contact us if you are planning to have a swimming pool built in your yard. We employ our own builders and do not use subcontractors that is why can guarantee the high quality of every project.


Click here for more pools built by our company

 

You might be interested in this swimming pool posts:


Builder in Bulgaria - Contact You can contact us if you are looking for a Builder in Bulgaria. We are general builders covering all aspects of construction, including Property Renovation Repairs and Property finishes in Bulgaria.
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Tags: ,

Swimming pool #3

Material: Concrete
Walls finish: Glass Ceramic tiles
Filtration: Sand filter
Equipment:
  • circulation pump including sight-glass
  • sand filter with multiport valve and pressure gauge
  • upper level water skimmer with lower level suction areas
  • associated pipe work and fittings
  • lights

This inground swimming pool and many others have been built by our company. We stand for quality workmanship and responsible building with 100% satisfied clients. You can contact us if you are planning to have a swimming pool built in your yard. We employ our own builders and do not use subcontractors that is why can guarantee the high quality of every project.


Click here for more pools built by our company

 

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Builder in Bulgaria - Contact You can contact us if you are looking for a Builder in Bulgaria. We are general builders covering all aspects of construction, including Property Renovation Repairs and Property finishes in Bulgaria.
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Swimming pool #2

Material: Concrete
Walls finish: Glass Ceramic tiles
Filtration: Filtration unit
Equipment: Built-in:
  • Circulation pump
  • Filtering bag
  • water skimmer
  • lights

This inground swimming pool and many others have been built by our company. We stand for quality workmanship and responsible building with 100% satisfied clients. You can contact us if you are planning to have a swimming pool built in your yard. We employ our own builders and do not use subcontractors that is why can guarantee the high quality of every project.


Click here for more pools built by our company

 

You might be interested in this swimming pool posts:


Builder in Bulgaria - Contact You can contact us if you are looking for a Builder in Bulgaria. We are general builders covering all aspects of construction, including Property Renovation Repairs and Property finishes in Bulgaria.
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Tags: ,

Swimming pool #1

Material: Concrete
Walls finish: Glass Ceramic tiles
Filtration: Sand filter
Equipment:
  • circulation pump including sight-glass
  • sand filter with multiport valve and pressure gauge
  • upper level water skimmer with lower level suction areas
  • associated pipe work and fittings
  • lights
  • ladder

This inground swimming pool and many others have been built by our company. We stand for quality workmanship and responsible building with 100% satisfied clients. You can contact us if you are planning to have a swimming pool built in your yard. We employ our own builders and do not use subcontractors that is why can guarantee the high quality of every project.


Click here for more pools built by our company

 

You might be interested in this swimming pool posts:


Builder in Bulgaria - Contact You can contact us if you are looking for a Builder in Bulgaria. We are general builders covering all aspects of construction, including Property Renovation Repairs and Property finishes in Bulgaria.
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