Blue Planet Pond Algae Control Blocks 4 x 15g
Blue Planet Pond Algae Control Blocks 4 X 15g blocks Active Constituent: 13.75g/Kg Diuron Blue Planet Pond Algae Control Blocks effectively controls most algae common to freshwater fish ponds. It kills growing algae and prevents algae from recurring.
Directions to use: To control algae, add one piece per 200L of water. This block is best used as a preventive or when algae first appears or after cleaning an algae infested pond. Place pieces to cover all areas of pond. Blocks will dissolve over 7-14 days depending on water conditions and circulation. If possible control the amount of sunlight or artificial light to reduce the growth of algae. Repeat only when algae reappears.
To prevent oxygen depletion, remove heavy algae growths mechanically before treatment and aerate the water after use. Distribute products evenly through out the pond. Use one block for ponds 100-200L, two blocks 210 - 400L three blocks 410-600L etc. Do not over dose.