cool
No, if the water is kept clear, filtered and sanitized. However, the activity and carbon dioxide from the swimmers most certainly will attract them!
Yes under the right circumstances. Mosquitoes will hatch in swimming pools if the water is stagnant, However if the water is regularly run through filtration and chlorinated this should not be a...
Properly sanitize the water and and run it through the filter regularly. don't let it stagnate.
yes, if enough is used but it will also kill any other animal that drinks the water.