Onix Racoon
Onix Racoon thanked Rooster Cogburn's answer

Sounds like you need a Pro to come in and soda blast it all off. I've seen this done and that pool looks really nice now. Check the video out and then decide.

Onix Racoon
Onix Racoon thanked Angela Anthony's answer

Could be anything from strep throat to a sinus infection to the flu....need to see your doctor. Try drinking some hot tea with honey, or gargle with warm salt water to soothe your throat.