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This rapid response, contact algaecide will bring beauty to your delicate and challenging to treat target waterways.


Alligare’s Argos is a liquid, copper-based formula used in numerous use sites to safely and effectively defend against floating and submersed algae.

  • Excellent efficacy in a wide range of water quality conditions, including hard water systems

  • Controls planktonic algae in 24 to 48 hours and filamentous algae in three to four days

  • Argos control of Hydrilla can be obtained from copper concentrations of 0.4 to 1.0 PPM

  • Water treated with Argos has no water use restrictions

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