Alligare Argos Algaecide

A rapid-response liquid copper-based algaecide for controlling floating and submerged algae across a range of water-quality conditions, including hard water.

Active ingredient

Copper Ethanolamine Complex (9% metallic copper equivalent).

Product details & application

• Designed to control planktonic algae in approximately 24–48 hours and filamentous algae in roughly 3–4 days.
• Applied as a contact treatment using backpack, handheld, or larger tank sprayers.
• Formulated to help prevent copper precipitation in hard-water conditions.

Key plants / growth controlled

• Hydrilla
• Cyanobacteria
• Diatoms
• Filamentous algae
• Planktonic green algae
• Planktonic golden algae
• Chara
• Nitella

Application examples

• Lakeshore 100 ft × 100 ft: 1.38 gal
• Lakeshore 75 ft × 100 ft: 1.03 gal
• Lakeshore 50 ft × 50 ft: 0.35 gal
• 1.0 acre pond: 1.50 gal
• 0.50 acre pond: 0.75 gal
• 0.25 acre pond: 0.38 gal

Water use & safety

The supplied information states there are no water-use restrictions for swimming, fishing, or livestock watering after application when used according to the label.

Shipping restrictions

Cannot ship to: AK, HI, ME, NY, VT, WA.

Important: Always refer to the current product label for exact application rates, restrictions, directions, and instructions.