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    • Cutrine-Plus Liquid Algaecide 1 Gallon/2.5 gallon – Fast-Acting Copper Formula for Planktonic, Filamentous & Chara Algae – EPA Approved for Pond & Lake Use

      Cutrine® Plus Algaecide and Herbicide

      Cutrine® Plus Algaecide and Herbicide

      Liquid copper algaecide for fast control of planktonic, filamentous, and Chara algae. Safe for irrigation, livestock, and...
      Regular price From $74.99
      Sale price $74.99 Regular price $0.00
      Unit price /  per 
    • Cutrine-Plus Granular Algaecide – 12 lb & 30 lb Copper Treatment for Chara, Filamentous & Planktonic Algae – Fast Results, Pond & Lake Safe

      Cutrine® Plus Granular Algaecide

      Cutrine® Plus Granular Algaecide

      Granular copper algaecide for fast control of Chara, filamentous algae, and cyanobacteria. No water use restrictions. Safe...
      Regular price From $83.99
      Sale price $83.99 Regular price $0.00
      Unit price /  per 
    • PAK 27 Algaecide 10 lbs – Copper-Free Peroxide Granules for Planktonic Algae Control – NSF Certified, Koi Safe, Fast-Acting for Ponds & Lakes

      PAK® 27 10 Pound Bag

      PAK® 27 10 Pound Bag

      Peroxide-based granular algaecide for planktonic algae. Copper-free, koi-safe, and NSF-certified for use in drinking water and sensitive...
      Regular price $70.99
      Sale price $70.99 Regular price $0.00
      Unit price /  per 
    • Captain Liquid Copper Algaecide 1 Gallon – Fast Algae Control for Ponds, Lakes & Reservoirs – Targets Planktonic, Filamentous & Chara

      Captain 1 Gallon Bottle

      Captain 1 Gallon Bottle

      Fast-acting liquid copper algaecide for planktonic, filamentous & chara. Safe for irrigation, livestock & wildlife. No water...
      Regular price $68.99
      Sale price $68.99 Regular price $0.00
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    • SeClear Algaecide 1 Gallon – Liquid Spray for Algae Control and Water Clarity – Safe for Fish, Livestock, Irrigation, and Swimming

      SeClear Algaecide & Water Quality Enhancer

      SeClear Algaecide & Water Quality Enhancer

      Liquid algaecide and water enhancer that kills algae and binds phosphorus. Fast, safe, and effective—ideal for ponds,...
      Regular price $67.99
      Sale price $67.99 Regular price
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    • SeClear G 20 lbs – Granular Algaecide and Water Quality Enhancer for Ponds and Lakes – Controls Chara & Nitella, Binds Phosphorus, Fish Safe

      SeClear G 20 Pound Bag

      SeClear G 20 Pound Bag

      Granular algaecide for Chara, Nitella, and more. Controls algae and binds phosphorus for clearer water and longer-lasting...
      Regular price $256.99
      Sale price $256.99 Regular price $0.00
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    • Aquashade Blue Pond Dye 1 Gallon – EPA-Approved Liquid Colorant & Sunlight Blocker for Weed and Algae Control – Safe for Fish and Swimming

      Aquashade® Aquatic Plant Growth Control

      Aquashade® Aquatic Plant Growth Control

      Three-in-one colorant that also serves as an algaecide and herbicide. EPA-approved blue pond dye that blocks sunlight...
      Regular price $64.99
      Sale price $64.99 Regular price $0.00
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    • Aquashade Plus 50 oz – Ultra-Concentrated Blue Pond Dye for Algae Control and Water Clarity – EPA-Registered, Fish & Livestock Safe

      Aquashade® Plus Aquatic Plant Growth Control

      Aquashade® Plus Aquatic Plant Growth Control

      Three-in-one colorant that serves as an algaecide and herbicide and is 2.4 times more concentrated than the...
      Regular price From $64.99
      Sale price $64.99 Regular price $0.00
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    • Amp

      Amp

      Amp

      Effective herbicide and algaecide enhancer.
      Regular price $63.99
      Sale price $63.99 Regular price
      Unit price /  per 
      • Algae

      Not sure what you're looking for?

      Identify and manage your aquatic weed problem with SePRO's Aquatic Weed Identification Guide.

      Diagnose

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        Some states have special restrictions on the use of aquatic herbicides and algaecides. Therefore, Sonar, Renovate 3, Captain, AquaPro and Nautique cannot be sold through SePRO's direct consumer business in AK, CA, CT, ME, NJ, NY and WA. Revive, SePRO Blue and Natural Reflection can be sold in these states. Consult with appropriate state or local water authorities before applying these products. Some states may require an aquatic permit, notification prior to application, or have other conditions of use for aquatic products. VISA, MasterCard, Discover and American Express cards accepted. SePRO Corporation reserves the right, to be exercised at its sole discretion, to revise prices, limit quantities and correct pricing errors. Special offers and/or discounts are valid only at the time of order. Customer is responsible for collection fees, court costs and reasonable attorney fees to collect an unpaid account.
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