Tetra Pond Block 4 Count, Controls Algae Growth In Ornamental Fish...

Tetra Pond Block 4 Count, Controls Algae Growth In Ornamental Fish Ponds (16735)

• Helps control algae growth in ornamental fish ponds
• Not recommended for use in ponds with live plants
• Each block treats 250 gallons
• Carefully follow dosage instructions
• Not for use in non-ornamental ponds