Probably for many things, but the main one is to make tap water drinkable.
Copper Sulfate, also known as Bluestone. Used as an Algaecide in commercial pools
Halizone is used for water to be consumed internally. Never heard of it being used in a swimming pool. Why do you ask? And where can you get quantities large enough to sanitize pools? Even if you are very allergic to chlorine there other alternatives. You still have to add chlorine to the pool in some manner to sanitize even if you are using other alternatives. Chlorine is in your drinking water and I would believe that there is less chlorine in a swimming pool than in your tap water. The combination of proper filtration, chlorine or a sanitizer, pH and alkalinity balance work in combination to keeping your pool clean besides regular maintenance. K.
Yes.
Pool Chlorine are generally used as stabilizer and conditioner and they mainly comprise of Cyanuric acid, popularly Known as CYA. It decreases the rate of decay of chlorine in the pool by sunlight.
The most widest used disinfectant is Chlorine
This is a tricky answer but it's quite simple... Actually the chlorine they used for the pool is like the chlorine we use to clean our fish tank. They use it to clean the germs in the pool ex. urine in the pool and young kids who can't hold back their poo.
salt water pools don't use chlorine salts, they are bromine salts. So yes, saltwater pool are better for you.
Chlorine is added to swimming pool water to disinfect it.
Generally,for this purpose chlorine is used.
Free Chlorine is the Chlorine which is free to do its work in the pool, as opposed to Combined Chlorine which is chlorine that has combined with contaminants and is tied up and ineffective as a sanitizer in the pool. Sometimes you will see it abbreviated as FAC, which stands for Free Available Chlorine.
Have you actually added liquid chlorine to the pool?
Chlorine level should stay between 1.0 and 3.0 parts per million (ppm) to maintain a healthy pool.