From the filter, dirty water is directed outside into an earth sludge tank, in which it soaks into the ground and returns to the environment. The clean water goes to the tanks in the greenhouse or, if they are overflowing, to the rainwater reservoir. Such water is very well suited for irrigation of plants because it is devoid of minerals, which allows you to precisely compose the composition of the nutrient solution.
Osmosis purified water is also used for fogging greenhouses – due to the fact that there is no calcium and iron in it, there is no risk of clogging of the misting nozzles (with a very small diameter). Thanks to this the system works efficiently and correctly, creating very small water drops. When used for fogging ordinary well water after a certain time, lime deposits form on the nozzles and instead of fog the water begins to drip onto the plants. This worsens the health of plants, and on the leaves the drops form a sediment, which worsens the commercial value of ornamental plants. The water from the osmotic filter is also used to lower the temperature in the greenhouse – by special sprinklers the greenhouse roof is covered and when the water evaporates, the heat from the greenhouse is removed which results in lowering the temperature inside the building. In this case also the use of water free of mineral compounds prevents the formation of deposits on the glass.
Typically, the filters work around the clock and are only turned off when the sand filters are cleaned automatically or when the tanks are full. In addition, about half a year (depending on the quality and degree of contamination of well water) RO filters are chemically cleaned – the water cycle in the filter system is closed and the entire system is rinsed with a weak acid solution that cleans the filters from the deposits (on osmotic membranes micro- and macroelement deposits are formed). It is a convenient solution – client does not have to pay the costs associated with hiring professionals to clean the filters and with the help of this device he can do it himself. If the reverse osmosis filter is not used for a long time, it is flooded with water with a preservative and can be left in this way for half a year, without danger that the filter will be damaged in any way (e.g. by the development of microorganisms).
This device is controlled automatically. At the control panel that supports the filter, you can program a specific working time and monitor the work process on an ongoing basis. Any irregularities are also signaled (e.g. pressure drop in the pumps, stopping the work of the submersible pump, clogging of mechanical filters, or contamination of osmotic membranes).