Chlorine is always a must. You can also get algae killer/preventer and also make sure you have a working clean filter.
The dirty and non-cleaned swimming pools
That would depend on how much chemicals you have in your pool.
cholorine
The same as in any chlorine pool toss a bit of extra chlorine in for starters, if this does not help get some algaecide from your pool shop. Not be careful that you use the right kind of algaecide as metal based products don't necessarily agree with salt water chlorinators.
An ok indoor swimming pool costs about $100 A great indoor swimming pool costs about $1,500 A First Class kind of swimming pool costs about $27,000
Glass containers and alcoholic beverages are banned at most public swimming pools. It is more of a "rule" not a law.
Well I don't know I think it depends on what kind of eyes you have
Titanic had a turkish bath - and her and Olympic had the first heated swimming pool for any sailing vessel.
Yes, if the water is not filled with some kind of bateria-stifling/killing chemical such as chlorine.
The Aquabot Turbo is a robotic vacuum cleaner made especially for swimming pools. They are available from Amazon, Walmart, In the Swim, and also on eBay.
The best kind of fabric for resisting abrasive materials like salt and chlorine is any kind of spandex material. Speedo is a brand which makes many options of high quality swim wear.