Pool Water Chemistry

• January 6, 2026

  Winter Pill for Pools: What It Is, How It Works, and Why You Need One

  What Is a Winter Pill for Pools? A winter pill for pools is a slow-dissolving liquid capsule designed to protect your swimming pool during the winter months. It is used when closing a pool or over the winter and helps maintain water quality while the pool is covered and not in use. Winter pool pills…