The fashionable Olympic Games started in 1896 and bundled swimming races, after which the recognition of swimming pools started to unfold. Within the US, the Racquet Club of Philadelphia clubhouse (1907) offers among the planet's initial modern day previously mentioned-floor swimming pools. An astronaut prepares to descend into a swimming https://pool.net/pool-messgeraet-ph-und-chlor-wert-test-automatischer-pooltester.html