Clorox Pool&Spa XtraBlue 3″ Chlorinating Tablets for Swimming Pools, 12lb

3 (three) is a number, numeral and digit. It is the natural number following 2 and preceding 4, and is the smallest odd prime number and the only prime preceding a square number. It has religious and cultural significance in many societies.

The Clorox Company (formerly Clorox Chemical Company) is an American global manufacturer and marketer of consumer and professional products. As of 2020 the Oakland, California-based company had approximately 8,800 employees worldwide. Net sales for the 2020 fiscal year were US$6.7 billion. Ranked annually since 2000, Clorox was named number 474 on Fortune magazine's 2020 Fortune 500 list.

Clorox products are sold primarily through mass merchandisers, retail outlets, e-commerce channels, distributors, and medical supply providers. Clorox brands include its namesake bleach and cleaning products as well as Burt's Bees, Formula 409, Glad, Hidden Valley, Kingsford, Kitchen Bouquet, KC Masterpiece, Liquid-Plumr, Brita (in the Americas), Mistolin, Pine-Sol, Poett, Green Works Cleaning Products, Soy Vay, RenewLife, Rainbow Light, Natural Vitality, Neocell, Tilex, S.O.S., and Fresh Step, Scoop Away, and Ever Clean pet products.

A spa is a location where mineral-rich spring water (and sometimes seawater) is used to give medicinal baths. Spa towns or spa resorts (including hot springs resorts) typically offer various health treatments, which are also known as balneotherapy. The belief in the curative powers of mineral waters goes back to prehistoric times. Such practices have been popular worldwide, but are especially widespread in Europe and Japan. Day spas and medspas are also quite popular, and offer various personal care treatments.

Swimming is the self-propulsion of a person through water, or other liquid, usually for recreation, sport, exercise, or survival. Locomotion is achieved through coordinated movement of the limbs and the body to achieve hydrodynamic thrust that results in directional motion. Humans can hold their breath underwater and undertake rudimentary locomotive swimming within weeks of birth, as a survival response. Swimming requires stamina, skills, and proper technique.

Swimming is a popular recreational activity and competitive sport that involves moving through water using various techniques. It offers numerous health benefits, such as strengthened cardiovascular health, muscle strength, and increased flexibility. It is suitable for people of all ages and fitness levels.

Swimming is consistently among the top public recreational activities, and in some countries, swimming lessons are a compulsory part of the educational curriculum. As a formalized sport, swimming is featured in various local, national, and international competitions, including every modern Summer Olympics.

Swimming involves repeated motions known as strokes to propel the body forward. While the front crawl, also known as freestyle, is widely regarded as the fastest of the four main strokes, other strokes are practiced for special purposes, such as training.

Swimming comes with certain risks, mainly because of the aquatic environment where it takes place. By way of example, swimmers may find themselves incapacitated by panic and exhaustion, both potential causes of death by drowning. Other dangers may arise from exposure to infection or hostile aquatic fauna. To minimize such eventualities, most facilities employ a lifeguard to keep alert for any signs of distress.

Swimmers often wear specialized swimwear, although depending on the area's culture, some swimmers may also swim nude or wear their day attire. In addition, a variety of equipment can be used to enhance the swimming experience or performance, including but not limited to the use of swimming goggles, floatation devices, swim fins, and snorkels.