Bromine and chlorine are both effective hot tub sanitizers, but they have real practical differences that affect how you dose, test, and maintain your water. This guide covers what those differences mean day-to-day so you can pick the right one and stick with it.
If your hot tub tests at zero sanitizer an hour after you add chemicals, something is consuming it faster than it can work. The usual culprits are high bather load, out-of-range pH, low cyanuric acid, or biofilm hiding in your plumbing lines. This post walks through each one so you can find your actual problem.
Bromine and chlorine are both effective hot tub sanitizers, but bromine handles heat better and is gentler on skin, while chlorine is cheaper and easier to shock with. The right choice depends on how you use your tub and how much maintenance you want to do.
A hot tub that won’t hold a chlorine or bromine reading usually has one of five root causes: high bather load, unbalanced pH, a biofilm problem, combined chlorine buildup, or UV degradation. This post walks through each cause and tells you exactly what to do about it.