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Our Filtration System - Guaranteed Clean, Clear Water
There are a number of systems that can be used and most companies in the UK will use a system that they are a partner in, from; Switzerland, Germany, Austria, France or Italy. These systems have all proven to work extremely well for those countries climates and ecosystems. However, some Natural Swimming pools that have been built in this country have failed and the system has crashed, meaning that you get massive algal blooms, poor water quality and very low visibility.
We have worked closely with some very experienced and highly respected consultants here in the UK and with the help from a multimillion pound company in Germany, who are specialists in ponds and water chemistry have designed a bespoke system that works for our climate and ecosystem. Although the plants within the regeneration area are the main filters, we have designed this system to ensure the extraction of solids up to 300 microns in size and the effective removal of phosphates by converting nitrate into nitrogen thus significantly reducing the nutrients that cause string algae and green water. We also install a 'back flush' system that can be used to clean out any silt build up within the regeneration area.
When water is left to settle there is a natural process called 'maturation', this is when bacteria start to colonise on different surfaces of the swimming pond, such as the filtration media, rocks, gravel & plants. Until this bacteria has had time to grow (usually 4-6 weeks), there is nothing to break down waste products such as nitrate & phosphate, which are usually present in high doses in UK tap water. Because of this there is a chance of experiencing an algal bloom such as string algae or green water.
To overcome this situation we install an ultraviolet clarifier, which is extremely effective in halting the reproduction of algae, without damaging the micro-organisms needed for maturation. The UVC only kills water borne cells or micro-organisms that pass through the UVC by damaging the DNA structure, making it flocculate (clump together) allowing the filtration components to remove them. All of this helps prevent an algal bloom until the plants have reached maturity (about 2-3 yrs) and at which time the roots from the plants will do most of the work.