API POND ALGAEFIX 16 fl oz – Copper-Free Algae Control for Ponds Up to 4,800 Gallons (EPA-Registered)

Overview

Keep your outdoor water features looking pristine with API POND ALGAEFIX. This EPA-registered, copper-free formula is designed to address common algae while staying gentle on fish and aquatic plants. Each 16 fl oz bottle is formulated to treat up to 4,800 gallons, making it a practical choice for mid-size ponds, koi ponds, and decorative fountains.

Key Benefits

• Copper-free, EPA-registered formula crafted to be safe for fish and aquatic plants when used as directed.
• Treats up to 4,800 gallons per bottle, helping you cover larger ponds without frequent reorders.
• Fast-acting against multiple algae types, including green water (Chlorella), string and hair algae (Cladophora), and blanket weed (Oedogonium).
• Designed not to disrupt beneficial bacteria or accumulate in pond sediment when used as directed.
• Easy dosing: aerate the water first, mix thoroughly, and apply evenly; repeat every 3 days until algae is controlled, then dose weekly to help maintain clarity.
• Backed by API’s decades of experience in testing, conditioning, and nutrition for ponds and aquariums.

How to Use

• Ensure vigorous aeration in the pond or fountain before applying the product.
• Mix API POND ALGAEFIX thoroughly into the water and distribute it evenly across the feature.
• Repeat dosing every 3 days until algae is under control, then switch to a weekly maintenance dose.
• Monitor water color and clarity; adjust aeration if needed and observe fish and plants after treatment.

Safety & Compatibility

• EPA-registered and copper-free formula designed to be safe for fish and aquatic plants when used as directed.
• Formulation is intended not to disrupt beneficial bacteria or accumulate in pond sediment.
• Suitable for water gardens, koi ponds, fountains, and other outdoor water features.

Why API

API brings almost 60 years of experience to ponds and aquariums, offering a complete range of testing kits, water conditioners, and nutrition. The ALGAEFIX line reflects that heritage with practical, user-friendly solutions for clear water and healthy underwater environments.

Real-world Use

In backyard setups, pond owners often notice clearer water and improved viewing of koi and other wildlife after treatment, especially when aeration is strong and dosing aligns with the recommended schedule. Results can vary with water conditions, fish load, and sunlight exposure, so ongoing maintenance and proper aeration help maximize enjoyment of your water garden.