Durachlor by Haviland

Concentrated algae preventative and eradicator available in three convenient strengths


  • Highly concentrated algaecide
  • Non-Metallic, non-foaming
  • pH neutral
  • Different strengths available: Combat 60, Combat 30, and Combat 10


  • Ideal for pools with attached spa or water features
  • Not affected by high chlorine residuals


  • For best performance pH should range between 7.2 and 7.6
  • For pools with visible algae, add 11-17 ounces of Combat 60 per 10,000 gallons of water. For best performance use Ultra Shock, Crystal Shock, or similar after application.
  • To start preventing algae in clear water add 6-11 ounces of Combat 60 per 10,000 gallons of water
  • After initial treatment, add weekly maintenance treatments Combat 60 at a rate of 2-4 ounces per 10,000 gallons of water

Available Sizes

  • 1 qt. bottle (12 per case)

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