Copper-based formula: Delivers effective and long-lasting algae control
Non-foaming liquid: Easy application and even distribution throughout the water
Prevents algae growth: Reduces the risk of green water and unsightly blooms
Safe for most pools: Compatible with chlorine, bromine, ozone, and salt systems
Compatible with various filters: Works with sand, cartridge, and DE filters
Summarized by Shop
Pristine Blue AlgaeShield 1 qt (32oz - 946ml) Strongest Pool & Spa Algaecide on the market today! One quart treats up to 32,000 gallons of pool water.
Not for use in Baquacil Pools One quart of Pristine Blue Algae Shield treats up to 32,000 gallons of pool water. Application should be made monthly. This Copper based Algicide will prev
Form
Liquid
Active Ingredient
19.8% copper sulfate pentahydrate
Dosage
1 oz per 1,000 gallons (monthly prevention), 2 oz per 1,000 gallons (treatment)
