Chlorine Plus
4892 N Dixie Hwy
Oakland Park, FL 33334
The price for little quantities is $1.95 if I remember. If you buy 30+ gallons they will drop the price to 1.55 per gal. They sold me once 50gals for 1.05/g and later with my next order said it was mistake ...
This is the only place in the area you will find fresh chlorine sold in bulk.