August 12, 2026 — The global pool and spa water treatment chemicals market is valued at USD 6.3 billion in 2026, is forecast to reach USD 9.4 billion by 2036, and is projected to grow at a 4.1% CAGR from 2026 to 2036, according to Fact.MR. Demand is rising as pool and spa operators place more focus on safe water, simple maintenance, and reliable treatment....