Hot Tub Biofilm Purge: How to Actually Clean Your Plumbing Lines

That slime in your hot tub lines is biofilm — a bacterial colony that hides in your plumbing and resists normal sanitizer levels. This guide walks you through exactly how to purge it, what products to use, and how to keep it from coming back.

Hot Tub Biofilm: What That Slime in Your Lines Actually Is

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.

Hot Tub Slime in Plumbing Lines: How to Clean It Out

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.