5 Reasons Chlorine Beats Hydrogen Peroxide for Pool Sanitizing

Hydrogen peroxide breaks down too fast in sunlight You need a UV or ozone system to keep it active, or you will constantly add more.

It leaves no residual sanitizer One rainstorm or heavy swim day leaves your pool untreated, unlike chlorine.

The required concentration is dangerous You need food-grade 35% or stronger, which is seriously hazardous to handle.

Chlorine is easier and more forgiving It costs less, requires less monitoring, and works reliably in most backyard pools.

Hydrogen peroxide only works in specialized setups Commercial systems with proper equipment can handle it, but for weekend pool owners, it is not worth the hassle.