TetraPond 16310 Algae Control Pond Block, 1-Ounce, 50-Count

TetraPond 16310 Algae Control Pond Block, 1-Ounce, 50-Count

• CONTROLS ALGAE Prevents algae growth in ornamental water fountains and ponds
• DISSOLVING BLOCKS For regular maintenance replace blocks after they’ve dissolved usually after 30 days
• FOR CONTAINERIZED PONDS & FOUNTAINS Not recommended for use with live plants
• CLEARS CLOUDY WATERUSAGE Each block treats between 100 and 250 gallons of water