• Tetra Pond - Anti-Algae Pond Blocks 16310 16735

    $9.99 $8.19

    Pond Block helps clear cloudy water and remove algae from ornamental pond/fountain water. Use one block for water volumes between 100 and 250 gallons. Initial dose may require one block for each 100 gallons. For regular maintenance replace block when fully dissolved (usually after 30 days). Not recommended for use with live plants.

    For containerized ponds only!

     Pond block is limited for use in backyard/homeowner ponds and water fountains. (maximum 3,000 U.S. gallons) Do not use fish from treated ponds or fountains for food or feed.

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