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Why to choose us
  • We will respond to your request within 24 hours, in most of cases- more quickly.
  • We have 15 years experience in building and installation of swimming pools.
  • We provide the possibility for deferred payment of our products.
  • We do the construction work with our trained employees, without using external services.
Customers for us

"02.04.2013 first dig….. And now after so many requests and offers to a various companies only Pool Expert succeed to come up to our expectations and to make our dreams come true. Thanks to ...

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Krasi, Kazanluk

Hello, As I already wrote, we are very contented with our pool. You consulted us adequately for the pool, how to heat it, for the materials and we are very grateful to you. We weren’t sure for ...

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Guest house "Todorini Kashti", Koprivshtitsa

I am very satisfied with the service offered in, the quality and price. The pool itself is lovely along with the solar absorbers, which kept the water temperature at around 30'C for the whole summer. ...

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Simon, Dobrich

This is the place where I can express my biggest thanks to a ...

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Private pool, Varna

Thinking of installing a swimming pool but you are scared because of the cost?   Dont be, and look no further than the Pool Expert Veliko Tarnovo. These guys are packed full of knowledge, they ...

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Private swimming pool, Veliko Tarnovo

Thanks for the honesty, the professionalism and the quality with which our simple project was completed. I would like to thank BG Handel's team for fulfilling all our expectations in ...

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Veselina Stancheva, Kyulevcha village, Shumen district

„I do not believe I speak unkindly when I say that finding quality professional tradesmen in Bulgaria can be a challenge. And having built a home and two businesses in Bulgaria, contracting ...

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Paul Ellerbek and Silviya Marinova

We moved to Bulgaria in January 2016 and had contacted pool expert prior to moving after researching several pool companies..  we found them to be very efficient and helpful and rather than try ...

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Paul and Fran, Butovo

Thanks from my whole heart to Pool Expert for their efforts to fulfill all our wishes, related to the functionality and aesthetics of our pool. I thank them for their good organisation and ...

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Private swimming pool, Smoljan

Sand filter systems

The selection of a suitable filter system is essential premise for clear and clean water. All the water in the pool should be filtered twice a day. That is why you should choose a sufficiently powerful filter system.

In the sand filter systems the water is filtered through quartz sand. The process is controlled by a 6-position valve. When the sand is dirty, the pressure in the manometer increases. In this case the 6-position valve should be put on position "backwash”, then turn on the pump, wait 3-4 minutes to wash the filter, after which put the valve on position “rinse”, turn on the pump again for about a minute. In this way you should wash the filter.

It is recommended once a week to do the backwashing of the filter system.

The pump has a pre-filter which detains the larger contaminants. Also the pre-filter should be cleaned from time to time.

Here is an explanation of the positions of the valve:

  • Filtering- the valve should be on this position during the normal operation of the filter system
  • Drain- on this position you should drain the water from the pool
  • Closed- during  the winter or repair
  • Backwash- when cleaning the sand filter
  • Circulation- circulating of the water without filtering
  • Rinse- the system rinsing after the backwash


Advice: Use only self-priming pumps.

They can be installed above the water level and are self- deaerating. Also the self-priming pumps have a greater cleaning power when you use a vacuum cleaner.