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Pond Blocks from Tetra Pond are an easy, effective algae control method in ornamental ponds and water features. Simply drop into your pond regularly to restrict algae growth and help keep your water clear.
One block treats up to 250 gallons for up to 30 days when used as directed. Safe for fish, however NOT recommended for ponds or water gardens with live plants.
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TetraPond, founded in 1955, is the largest global manufacturer of ornamental fish food and the acknowledged global authority. They offer thousands of products and serve more than 1,000 dealers worldwide. TetraPond is dedicated to helping seasoned hobbyists and beginners alike enjoy a successful, life-long aquatic experience.
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