Your eyes get red after swimming not from chlorine, but from Urine

From: Jack D.

Sent: March 7, 2018

To: undisclosed recipients

Subject: Fw: Your eyes get red after swimming not from chlorine, but from Urine

As someone who used to do 10 sessions of swimming training a week in a highly-chlorinated pool, followed by a university job of learn-to-swim teaching for children and adults, I’'ve had my fair share of red eyes. There were days when the burning was so severe that I could barely keep them open without it looking like I was bawling my eyes out.
So it came as a shock to me when I learned that it may not have been the chlorine that was causing such irritation. Researchers have found that the cause for red eyes is even more unappealing than too much chlorine.

It’s actually urine. ~Jack

What makes your eyes red in the pool? It's not the chlorine
“The nitrogen in the urine combines with the chlorine and it forms what's known as chloramine and it's actually chloramine that causes the red eyes. It's chlorine mixed with poop and sweat and a lot of other things we bring into the water with us.”

The real reason your eyes go red after swimming isn't chlorine, but urine
Bloodshot eyes after swimming is not as a result of chlorine but in fact caused by urine contained in the pool, the Centers for Disease Control and Prevention has revealed. ... It urged people to note that healthy pools shouldn't have a strong chemical smell.

The Horrifying Reason That Your Eyes Go Red In The Pool | IFLScience
According to a new report from the Centers for Disease Control and Prevention (CDC), it's not the chlorine in a swimming pool that makes your eyes red and itchy after a swim – it's the pee. You may want to think twice about not wearing goggles before swimming in that public pool. Together with the Water Quality and Health ...

Urine (Not Chlorine) Causes Red Eyes in Pools | Smart News ...
For many, a trip to the local swimming pool also results in red, itchy eyes. So what's the reason behind eye irritation? Brace yourself — the answer is grosser than you might think. According to The Washington Post's Ariana Eunjung Cha, the answer isn't chlorine. It's urine. This nasty little bombshell was ...

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