combined chlorine

Your pool’s eye-stinging reputation may have nothing to do with excess chlorine—and everything to do with chemistry you’re not actually measuring. Back in the middle of a Scottsdale summer, I showed up at a resort dealing with guest complaints about irritation that had persisted for days. The maintenance crew had their numbers in front of … Read more

Combined chlorine in your pool isn’t just an unpleasant chemical reading—it’s a sign your water is no longer protecting the people in it. What I use on my pool: Spot chlorine gaps in seconds instead of guessing from murky test strips — Taylor K-1004 DPD, 6-in-1 Pool Test Kit on Amazon → During the summer … Read more