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Diffusers can be filled with gravel or sand to keep weighted to the bottom of the pond
Carefully determine pond volume
Available with or without remote-controlled lighting
allowing you to turn each one off or on individually
Each ounce treats 625 gallons
TetraPond® Pond Block®, 4 Count and 50 Count Containers Size:Four Pack Diffusers can be filled withTetraPond Pond Block Algae Control helps clear cloudy water and remove algae from ornamental ponds and fountain water. Pond Block is limited for use in backyard homeowner ponds and water fountains. For containerized ponds only. Not recommended for use with live plants. EPA registered.
US$ 250.00
US$ 113.50
US$ 830.00
