Commercial Swimming Pool & Spa Equipment 'Healthy, clear, odour free, clean air and water for swimmers of all ages - without compromise.' Dennis Ashworth, PresidentAt SP&S we offer only the best for our customer by scouring the world looking for. The best scientific research.The best practical solution to solve your problem.In the fall of 1969 our company was formed with a mission to make public swimming a healthy experience. because you are serious about making your swimming pool safe for swimmers of all ages and abilities. more... See more text