mps - Swim and Soak

Hot Tub Shock: When to Use Non-Chlorine vs Chlorine

July 12, 2026 by Swim and Soak

Hot tub shock comes in two types: non-chlorine (MPS) and chlorine-based. Each does a different job. Knowing which one to reach for – and when – saves you cloudy water, skin irritation, and wasted product. This post breaks down both types clearly.

Hot Tub Shock: When to Use Non-Chlorine vs Chlorine

May 11, 2026 by Swim and Soak

Not all hot tub shock is the same, and grabbing the wrong one can make your water worse. This guide breaks down exactly when to use non-chlorine shock versus chlorine shock, how much to add, and what each one actually does to your water.