Different types of swimming pools
Wednesday, December 16th, 2009The pool or swimming pool have been a popular feature for several millennia even though its popularity level has been far from constant.
Polls can be built both below and above ground and must be kept clean to prevent dangerous microorganisms from cause problems. You will also need to perform algae control and insect control, due to the fact that algae are unsightly and insects like moquitos can spread dangerous diseases.
The most common ways of keeping a swimming pool sanitary is to use chemicals such as chlorine or bromine, but it is also possible to use biofilters. Lately, natural swimming pools without chemicals have started to become more popular. Natural pools only use natural methods to keep clean.
Natural swimming pools are usually divided into two sections
- One part is the part used for swimming and frolicing around.
- The second area work as a large biological filter. Most NSP’s use a design where the regeneration zone consists of a lined overflow pool filled with specific filtration substrate. Sand, lava stone and gravel are all common substrates. The area designed to help clean the water often contain plants and can be made to look like a beautiful water garden.
The Great Bath of Moenjo-daro is one of the first swimming pools ever mentioned in text. Moenjo-daro was located in modern day Pakistan and was one of leading cities in the Indus Valley Civilization. The Great Bath is believed to have been dug during the 3rd millennium BC and was 12 meters long and 7 meters wide. The walls were lined with bricks and covered in a tar-based sealant to keep the water in.
In the 4th century BC, two pools know as Kuttam Pokuna were contructed by the great Sinhalese in the kingdom of Anuradhapura. These pools were made from granite slabs and steps were placed on both ends of the pools. Embankments were also constructed to give the monks easy access to the water. Kuttam Pokuna received its water through underground ducts a significant hydrological engineering achievement and the water was filtered before entering the pools.
Among the most famous pool builders in ancient times we find the European civilizations of Greece and Rome. They all used swimming pool for everything from fun and games to military training. The Latin word for pool, piscina, is derived from the swimming pools of the Roman emperors since these facilities also contained fish (pisces).
Lord Gaius Maecenas is believed to be the first person to ever construct a heated swimming pool when he had one built for himself. He was the confidant and political advisor of Rome’s first emperor and his name has become synonymous with a wealthy, generous and enlightened patron.
