Mustard algae tolerates normal chlorine. Triple-shock, equipment scrub-down, and the re-infection trap.
This guide is part of our Troubleshooting Pool Problemspillar and is currently being written. Want to be notified when it's published? Drop us a line and we'll send it the day it goes live.
In the meantime, here's the pillar overview that covers the fundamentals:
A diagnostic walkthrough: chemistry, filtration, dead algae, or fine particulates. Identify in under 5 minutes.
SLAM method, chlorine math, and the filter-run schedule that actually clears a swamp pool.
Why normal chlorine levels don't faze it, the brush-and-shock protocol, and when to call a pro.
A diagnostic: color, shape, and location tell you what caused it and what removes it without draining.
Our CPO-certified techs run this exact playbook on every weekly service visit. Get a free quote.