Jack's Magic(R) JMBLUE032 Metal Solution - The Blue Stuff; 32 oz Bottle
The Blue Stuff uses a proprietary blend to actually remove copper from the pool water. It also is very stable in higher chlorine levels and excels when used in fountain and water features as well. The difference between the Blue Stuff and the Pink Stuff is that The Blue Stuff is aggressive with copper stains and scale while The Pink Stuff is more aggressive with iron stains and scale. The Blue Stuff is safe for use with all types of pools and you should allow for 15 minutes of circulation after use and before swimming
Dosage: Initially, add one quart (32oz.) per 10,000 gallons of pool water then 6-8oz. per 10,000 gallons of water per week for maintenance.