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I have researched this for years, there is no such thing, it is just something people tell kids so they don't pee in the pool!!
ANSWER
Apparently this is an urban legend (see link to Snopes below). There is a chemical called phenolphthalein that will change colors based on the pH level but it would actually have to go from red to clear so it would not create the "red cloud" around someone. I do not think anyone would use this chemical because it is also a laxative which would create a whole other problem.
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∙ 12y ago
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Is there a chart for pool chemical calculations?
called the saturation index. most good chemical test kits include it or ask your local pool store dude for it
Which chemical do you use to increase the PH level in your above-ground pool?
There is a product by HTH called PH Plus that will rise the PH content in your pool.
What chemical goes in a pool first?
The chemical that usually goes in a pool is chlorine. This is the first chemical as well as the last chemical to enter the water.
What is the chemical name and chemical formula for pool acid?
The hydrochloric acid is used for pool; this is a water solution of HCl.
What is bromine in a pool?
bromine is a type of chemical used in a pool or hot tub to help clean the pool.
Does urine turn color in public pools?
In some pools, the cleaners add a chemical into the water, to turn urine blue. Most pools don't have these on these days. But in a pool without the chemical, no urine doesn't change color.
Is there a chart for pool chemical calculations?
called the saturation index. most good chemical test kits include it or ask your local pool store dude for it
Would you be able to detect a glass of lemonade in a swimming pool?
Depends on the pool.
Where can you get a powder to put in your pool to detect a leak?
Leak detection dye can be purchased at any number of pool repair/maintenance companies/websites; it can also be found on eBay. There is no powder you can put into a swimming pool to detect a leak.
Which chemical do you use to increase the PH level in your above-ground pool?
There is a product by HTH called PH Plus that will rise the PH content in your pool.
How do you know if someone peed in the pool?
Absent the pool additive that reveals urine, you do not.
What chemical goes in a pool first?
The chemical that usually goes in a pool is chlorine. This is the first chemical as well as the last chemical to enter the water.
Can a pool filter clean out be dumped into fresh water lake?
Absolutely not. Pool water contains a chemical called Chlorine, which is harmful to fish and ecosystems. Chlorine is a bleach.
Pee in turn blue in the pool?
No? Parents Just say that so kids don't pee in the pool? But after awhile your bathing suit will get a little yellow:( ??????????????HHhhhhhhhhmmmmmmmmmmm?
What is the chemical name and chemical formula for pool acid?
The hydrochloric acid is used for pool; this is a water solution of HCl.
How do chlorine compounds change the chemical properties of a pool?
chemical
What do shark detect with chemo receptors?
A drop of blood in a large pool of water.
