Filter systems

For reasons of hygiene and health, professional filter systems are required for the daily circulation and cleaning of the pool water. The general rule is that the filter system should run for around 8 hours a day and the entire water content should be circulated twice a day.

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Frequently asked questions for Filter systems:

All Steinbach and INTEX filter systems (sand filter systems, cartridge filter systems & filter pumps) are suitable for salt water as long as the salt content in the water is below 0.5 % (salt electrolysis). Before winterising, clean the filter system thoroughly with standard bathroom cleaner, clear tap water and a lint-free cloth.

All filter systems and filter pumps have a sound pressure level* of < 70 dB(A). 

*The emission volume is comparable to a large household appliance.

In this case, the filter medium used is often contaminated. The filter medium used (quartz filter sand or filter balls) is subject to a certain amount of wear and tear, even when operated as intended under optimal conditions, and should be replaced at regular intervals, depending on the operating time and degree of contamination. For sand filter systems, switch off the pump and then set the filter setting to ‚Rückspülen/backwash'. Switch the filter system on again. Carry out the backwash process until clean water comes out of the backwash line (max. 2 minutes). When using Filter Balls, do not backwash. If the filter performance decreases, we recommend washing the Filter Balls by hand. If necessary, the Filter Balls should be replaced. In cartridge filter systems, the filter medium should be changed approx. every 2 weeks.

If the pressure is too low, the pre-filter is dirty and the pump is not getting enough water. Clean the pre-filter and check the suction line and the water level.

If the sand is newly filled in, or the sand is already very fine due to the use of several seasons, small sand particles may still be present. The solution is to backwash several times until the water comes out clear, or to fill in new sand.

Choosing the right pool filter system

Two different filter systems have proven themselves over the years: Sand filter systems and cartridge filter systems. They both work in the same way in that a filter pump pumps the water to be cleaned through the filter medium - sand (or Steinbach Filter Balls) or cartridge. The substances to be filtered in the pool water are captured in the filter and can thus be removed.

One basic rule you should follow: The size and strength of the filter system depends on the water content in the pool. Which filter system is suitable for you depends on the size of the pool. The filter system should not be skimped on, as it is absolutely necessary for cleaning and daily water circulation. The capacity of the filter system must correspond to the water content of the swimming pool. As a rule, however, it is advisable to use a somewhat stronger filter system. If the pool water is cleaned by means of a high filtration efficiency, the effort required for cleaning the pool and the use of chemical water care products is reduced.

Generally speaking, you can say that sand filters are suitable for larger pools while cartridge filters are more suitable for above ground and small pools.

Cartridge filters clean and filter the pool water even finer, but are more maintenance and cost intensive, as the cartridge needs to be cleaned and replaced regularly. The quartz sand used in a sand filter system, on the other hand, only needs to be replaced every 2 to 3 years. As an alternative to sand, the light and environmentally friendly Filter Balls from Steinbach can also be used.

Pool filter runtime

The ideal filter runtime as well as the amount of circulation can vary - due to external factors such as the outside temperature. The 8 or more hours of filter running time should be spread over a day so that the pool water remains in motion. The longer it stands still, the faster microorganisms multiply and algae can form, causing turbidity in the pool water.

The performance of the filtration system is directly related to the water quality. The cleanliness and clarity of the water can only be maintained if it is properly serviced and maintained. Coarse and smaller contaminants are removed by means of professional filter systems. Which pool technology is necessary depends on the type and water volume of your pool. The right filter system is always adapted to the size, or more precisely, the water content of the pool. However, an adequate filter system alone is not enough to keep the pool water optimally clear and clean. In addition to the performance of the filter system, optimal cleaning and crystal clear water requires pool accessories that support the pool technology as well as chemical pool care for water treatment that continues the performance of the pool technology. The use of chemical cleaning agents can be significantly reduced by using the right filter system. Please continue reading at Pool Care for detailed information regarding chemical care products.