API AlgaeFix Freshwater Aquarium Algaecide 4-oz

API AlgaeFix Freshwater Aquarium Algaecide 4-oz

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Front of API AlgaeFix Freshwater Aquarium Algaecide 4-oz
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API AlgaeFix Freshwater Aquarium Algaecide 4-oz

API AlgaeFix Freshwater Aquarium Algaecide 4-oz

By API

(4)

Key Benefits

  • Eliminates green & hair algae
  • Safe for fish and plants
  • Reduces cleaning with weekly use
  • Keeps water clean & clear
  • Fast-acting algae control 
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Description

API Algaefix Algae Control is excellent when it comes to providing the most effective water treatment for aquariums. It’s one of the top API aquarium products to keep your freshwater tank clear and healthy. API Algaefix treats troublesome algae like green water (algal blooms) and string or hair algae, without harm to fish or plants. It's safe to use weekly, easy to dose, and can simplify aquarium life (by reducing aquarium chores) by preventing algae outbreaks, which will be worth it to busy fishkeepers.

Key Benefits

  • Algae Control: Effectively eliminates green water and string or hair algae.
  • Safe for Fish and Plants: Harmless to aquarium inhabitants when used as directed.
  • Weekly Maintenance: Reduces cleaning needs with regular, safe applications.
  • Clear Water: Keeps aquariums clean and visually appealing.
  • Fast-Acting: Controls algae within days of treatment.
  • Indoor Use: Optimised for freshwater aquarium environments.
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Ingredients & Analysis

  • Polyoxyethylene (dimethyliminio) ethylene (dimethyliminio)  ethylenedichlorideoxyethylene(dimethyliminio)ethylene(dimethyliminio)ethylene dichlorideoxyethylene(dimethyliminio)ethylene(dimethyliminio)ethylenedichloride (also known as polixetonium chloride, formerly Busan 77), at 4.5% w/v

Other Ingredients:

  • The remaining proportion (~95.5%) consists of water and proprietary inert components. (Names not disclosed on label/MSDS)

Attributes OR Specification

Attribute

Specification

Animal Type

Freshwater Fish & Aquatic Plants

Form

Liquid Algaecide

Effective Against

Green water algae, string algae, blanketweed, and other common freshwater algae

Safe for

Freshwater fish, plants, and aquariums (when used as directed)

Water Type

Freshwater only

Storage Instructions

Store in a cool, dry place away from sunlight

Made in

USA

safety and precautions

  • Do not use it in tanks containing freshwater crustaceans (e.g. shrimp, crabs, lobsters). 
  • Toxic if swallowed or absorbed through skin; can irritate eyes.
  • Avoid contact with skin, eyes, and clothing; wash thoroughly with soap and water after handling and before eating or drinking.
  • Protective gear: Use chemical-resistant gloves, safety glasses or goggles, and avoid wearing contact lenses during use. 
  • Flammable ingredients—keep away from heat, sparks, or open flame.

First Aid:

  • If swallowed: Contact Poison Control Center or seek medical attention immediately.
  • If on skin: Remove contaminated clothing; rinse skin for 15–20 minutes and seek medical advice if irritation persists.
  • If in eyes: Flush with water for 15 minutes; seek medical advice.

Storage & Disposal:

  • Store in a cool, dry place. Do not reuse or refill containers. Rinse thoroughly before disposal.

Direction

  • Frequency: Repeat every 3 days until algae is visibly reduced.
  • Dosage: Add 1 mL per 10 US gallons (≈ 5 mL per 50 gallons). 
  • Clean tank surfaces and trim algae-covered plants, and remove activated carbon during treatment for best results.
  • Ensure the aquarium is well-established (at least 4 weeks old) before treatment. 
  • Once controlled, shift to maintenance dosing once weekly. 
  • After treatment: Siphon or scrape out dead algae promptly to prevent oxygen depletion.
  • Aeration: Ensure strong, continuous aeration throughout the treatment period.

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Frequently Asked Questions

Is Algaefix safe for live plants? +

Is algaecide harmful to dogs? +

Can I use Algaefix in a freshwater aquarium? +

How does Algaefix kill algae? +

Is Algaefix safe for pets? +