A bad smell from your hot tub almost always points to a specific chemical or biological problem – and the smell itself tells you which one. This guide walks through the most common hot tub odors, what each one means, and exactly how to fix it. No guessing required.
That slimy gunk coming out of your hot tub jets is biofilm – a bacterial colony living inside your plumbing. It survives regular sanitizer doses and won’t go away on its own. This guide explains what biofilm is, how to flush it out completely, and how to keep it from building back up.
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.
That slimy, sometimes smelly gunk coming out of your hot tub jets is biofilm, a bacterial colony living inside your plumbing lines. It won’t clear up on its own, but a proper line purge before your next drain and refill will get rid of it. Here’s exactly how to do it.