Product Overview

Captain is your ideal tool for economical and effective control of a broad spectrum of filamentous and planktonic algae.

This premium quality aquatic algaecide offers
  • A formulation of 9% double-chelated copper
  • Algae control 3 to 7 days after proper application
  • Immediate water safety (water treated with Captain may be used for swimming, fishing, watering livestock and for irrigating turf, fairways, putting greens, and ornamental plants immediately after treatment)
For more information

For more information about SePRO Blue Pond Colorant or assistance in designing a treatment prescription, contact a SePRO Technical Specialist.

Labels and SDS

May not be registered in all states. Always read and follow label directions.

Registered States

Experts in Aquatic Solutions

SePRO’s Technical Specialists are trained to assist you with your toughest issues, from aquatic weeds that keep coming back to nusiance or toxic algae that are plaguing a water body. See how we can help.

Experts in Ornamental Solutions

SePRO provides high-quality solutions for insect and disease control, as well as plant growth regulation to help you bring healthy, sellable plants and produce to your customers. See how we can help.