Pool Blocks non-foaming solid algaecide kills even the toughest of algae growing on the walls of swimming pools. It is not affected by sunlight and keeps water sparkling clear.
Initially, add 1 Pool Block puck per 25,000 L of pool water in the skimmer basket. A monthly dosage of 1 puck per 50,000 L is recommended for persistent algae growth. Adjust pool water pH and maintain between 7.2 – 7.6 during treatment. Brush walls weekly when treating black spot algae. Pool Blocks are not a sanitizer and must be used in conjunction with a sanitizer.
Pool Blocks contain copper, which is toxic to aquatic organisms. Do not dispose pool water into lakes, rivers, ponds, public waters, or storm drains.
Available Net Contents: 600 g, 1.5 kg
