Do pools turn blue when you pee?


It’s the most common pool myth of all time: If you pee in the pool the water will change color and everyone will know. Parents have long used the story of a chemical that changes color in the presence of pee to keep their children from peeing in the pool. The fact is there is no such dye that currently exists.Does the pool turn blue if you pee? Is There Truth to the Rumor? No. There is no chemical which changes color when someone urinates in a swimming pool. There are dyes which could cloud, change color, or produce a color in response to urine, but these chemicals would also be activated by other compounds, producing embarrassing false-positives.

Can you tell if people pee in the pool?

There is currently no such urine indicator dye that exists. “Chlorine and other disinfectants are added to a swimming pool to destroy germs. Peeing in a pool depletes chlorine and actually produces an irritant that makes people’s eyes turn red,” said Michele Hlavsa, chief of the CDC’s Healthy Swimming Program.

Is there a dye when you pee in the pool?

What does it mean when your pool turns blue?

Water Turns Light Blue “You notice the blue effect when you have a large volume of water because of the way molecules are slightly absorbing light from the red end of the spectrum,” Coxon says. The deeper the water, the more blue it appears. He also points out that the same thing happens under artificial light.

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Is there a dye when you pee in the pool?

What percentage of adults pee in pools?

In one survey, at least 19 percent of adults admitted to having urinated in a swimming pool. Adults. Not kids. Another survey put that figure as high as 40 percent.

What happens if you pee in a swimming pool?

Cyanogen chloride forms when chlorine from the pool reacts with nitrogen in urine. It acts like tear gas, roughing up the eyes, nose and lungs, and it’s classified as an agent of chemical warfare. Predictably, the study quickly resulted in headlines like “Why peeing in the pool is chemical warfare.”

How can you tell if someone peed in a hot tub?

If you are getting a strong smell of chlorine from the Hot Tub then more than likely someone has had wee in it.

What kills urine in a pool?

The addition of specialty chemicals such as enzymes can boost the efficiency of chlorine. Enzymes can work to break down organic matter such as urea and noticeably improve the water quality. Secondary disinfection systems such as Ozone and UV can reinforce the sanitizing effects of chlorine.

Why is my pool water blue and not clear?

Improper chlorine or pH levels Too little free chlorine forms chloramine and it is this combined chlorine that results in your pool’s cloudy appearance. It is recommended the combined chlorine level should always read below 0.5 ppm or just under 0 ppm.

How long does it take for a pool to turn blue?

This may take 3 to 4 days. RUN THE FILTER 24 HOURS A DAY. You must maintain that high level of chlorine. If the chlorine level is allowed to fall, the algae will begin to reproduce and proliferate, and it will take even longer to kill.

Can I swim in a blue pool?

Can You Swim In Blue Pool. Yes you can swim in blue pool however the water is 40 degrees year around. This watering hole is around 30 foot deep and the water is so cold it will take your breath away and can be unsafe if you don’t cool down prior to diving in after the long hike.

How can you tell if someone peed in a hot tub?

If you are getting a strong smell of chlorine from the Hot Tub then more than likely someone has had wee in it.

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What kills urine in a pool?

Urine is sterile, so there should be nothing for chlorine to “kill”. Instead, urine must be oxidized. One chemical in urine is particularly difficult to oxidize: urea, or uric acid. Urea (CH4N2O) will break down into other nitrogen compounds like ammonia, which will combine with chlorine to form chloramines.

Does chlorine neutralize urine?

Nope, that isn’t how it works. Chlorine will kill bacteria, but since urine is basically sterile, there is nothing for the chlorine to “kill.” Furthermore, chlorine does nothing to “remove” the urine from the water. If someone pees in the pool, it is there to stay.

How much urine is in a swimming pool?

Is there a dye when you pee in the pool?

How much pee is in the ocean?

The NOAA estimates the oceans at 321,003,271 cubic miles or 1.338e21 L (1.3 sextillion). Dividing those out and you get 0.0002%, or 1 in 500,000 parts Human pee.

Does pee turn a pool green?

Water quality is a health concern in all public pools, and although it won’t turn the water green, urine can pose hazards to swimmers’ health. Unfortunately, it’s difficult to detect in the chlorinated water of a huge pool.

Why you shouldn’t pee in the shower?

Depending on your body type, allowing yourself to urinate while standing in the running water could be going against your body’s methods for holding it when you need to. “From a pelvic floor perspective, the position for peeing in the shower is not conducive to pelvic floor relaxation,” Jeffrey-Thomas told Buzzfeed.

Is there a chemical that turns pee blue?

“Methylene blue is often sold at pet stores, as it is a treatment for tropical fish diseases. Now, the interesting thing about methylene blue is that, if ingested, it can temporarily change a person’s urine colour. The effects range from a faint green tint to a bright blue stream.

Does chlorine clean pee in pool?

But what about chlorine? Healthy pools don’t have a strong chemical smell. Pool chemicals kill most germs within minutes, but some live for days. Chemicals also break down pee, poop, sweat, dirt, and other gunk from swimmers’ bodies.

What happens if you accidentally pee in a hot tub?

Urinating in a pool can be bad enough, but it’s also bad to pee in chlorine-filled hot tubs, too. When urine, sweat, and feces mix with chlorine, it can create an irritant called chloramine, which can cause mild symptoms like coughing and red, irritated eyes.

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Why does my hot tub smell like pee?

Chloramines build up in a hot tub when it is improperly treated. They happen when chlorine combines with ammonia (perspiration, oils and urine) that come into the hot tub with the bathers.

How much urine is in a public pool?

Does peeing in pool cause algae?

Urine will feed algae, but it doesn’t create it. The algae had to be there to start with, which points to insufficient chlorine.

Does Pee turn the water blue or green?

Some people have said that pee turns the water blue, some say it turns green, but they all agree that if you swim in a pool with pee in it, your urine will change the color of the water. There are some other reasons (outside of urine or a chemcial) that would cause your pool water to be green however. But is this all just a myth?

Does urinating in a pool change the color of your urine?

No. There is no chemical which changes color when someone urinates in a swimming pool. There are dyes which could cloud, change color, or produce a color in response to urine, but these chemicals would also be activated by other compounds, producing embarrassing false-positives.

Do public pools really have a blue-Pee chemical?

Everyone knows public pools have a secret chemical that turns a different color in the presence of pee. The Water Quality and Health Council recently found that almost half of all respondents believed the blue-pee propaganda, making it “the most common pool myth of all time.” In fact, there is no such chemical.

What happens if you Pee in the pool?

If you pee in the pool, it’ll go blue! There’s a special dye in there, designed to detect urine, and it’ll billow around you in a big, embarrassing, pissy cloud, and everyone will know you’ve done it, and you’ll be hounded out of town as a known pool-piddler. Everybody knows that, right? Except it isn’t true.

Leigh Williams
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