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Cleaning routines include scooping debris and vacuuming the pool bottom, followed by adding chlorine—known as chlorination—to disinfect the water. These procedures are carried out multiple times weekly to prevent bacterial build-up and algae growth.
The Disinfectant: Chlorine
Discovered in 1774, chlorine's use as a disinfectant became mainstream by the early 20th century. Today, it remains the primary sanitizer for Singapore’s 20 public pools, effectively controlling pathogens and maintaining water safety.
Water Sampling and Analysis
To assess the real-world cleanliness of pools, samples from ten different public pools across Singapore are analyzed by experts. They look for several indicators: