HELP PLEASE MY POOL IS GREEN.

[margarita29]

HELLO, WE LIVE IN TAMPA FLORIDA AND WE JUST MOVED INTO A RENTAL PROPERTY WITH AN IN GROUND POOL. THE PROBLEM IS THAT THE HOUSE WAS VACANT FOR ABOUT 30 DAYS OR MORE. I DONT KNOW ANYTHING ABOUT POOLS EXCEPT YOU SWIM IN THEM,,, SO QUESTION #1 HOW DO I GET RID OF THE GREEN COLOR, ITS 28,000 GALLON POOL,,, PLEASE HELP,,, THANKS