Jack's Magic "The Blue Stuff" - 32 oz Bottle
The Blue Stuff does everything “The Pink Stuff” does and more. The Blue Stuff’s proprietary blend actually removes copper from the water. The Blue Stuff is also very stable in higher chlorine levels and can be used in many fountain and water feature applications. 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.
Most recommended start up product for plaster pools
Controls plaster dust
Removes metals such as copper, iron and manganese from water
Prevents and removes stains and scale in plaster, vinyl and fiberglass pools