How to lower chlorine in a hot tub safely
Learn how to lower chlorine in a hot tub safely: three methods ranked by speed, when it is safe to get back in, and why the level went so high.
Topic
Water problems
Every Oldyon article on this topic, newest first.
Pink slime in a hot tub and how to stop it returning
Pink slime in a hot tub is a bacterial biofilm, not algae. Learn how to purge the pipes, clean filters and cover, then keep sanitiser steady so it stays gone.
Hot tub cyanuric acid and when stabiliser becomes a problem
Learn how chlorine granules raise hot tub cyanuric acid, why too much stabiliser weakens chlorine, how to test for it and how to dilute it back down.
Hot tub calcium hardness in hard and soft water areas
Learn how hot tub calcium hardness works in UK hard and soft water areas: how to test it, raise it, control scale and use a pre-filter when you fill.