The first three months of the year are the best time for a basic cleaning of each pool. After months of use, deposits, such as dust and leaves, have accumulated at the bottom of the bathing area. Eventually, in the biological swimming pools already more than three years, it will be necessary still a pruning of plants, either in the margins, or in the plants of the deep zones.
Services by diver with special equipment is the most appropriate to carry out this cleaning. The markings for this cleaning service are now open by the specialists of SHB, Lda.