In The Swim Stain Away 1 qt. prevents surface stains and discoloration of water while controlling iron and other metals in swimming pools.

Compare to Pool Magnet®, Super Sequa-Sol® and Metal Control®.
Prevents ugly stains, scaling and brown water due to minerals.
Will actually lighten some stains!
Restores brilliance and shine to your pool water.
A must for areas with heavy iron content or well water.
Helps maintain the appearance of your swimming pool.
Prevents water discoloration
Controls iron levels and the levels of other metals in your pool water.
Initial Dosage: 15 oz. per 10,000 gallons. Weekly Dosage: 5 oz. per 10,000 gallons.
For existing stains use 30 oz. per 10,000 gallons. Apply directly over stain if possible.
Contains: Diphosphonic Acid.
Great for well water!

In The Swim - Stain Away for Swimming Pools, 1 qt.