White 32 oz bottle of Applied Bio Algaetrine algaecide with blue label text and graphics for pool algae control

Applied Bio Algaetrine 32oz - Triple-Chelated Copper Algaecide (90-Day Protection)

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About This Item

Tier 2 Green Pool Killer engineered to eliminate visible algae blooms and lock out regrowth for 90 days. This triple-chelated copper formula delivers professional-grade kill power while preventing metal staining—perfect for pools that need immediate algae elimination without extended downtime.

Key Features:

  • 90-Day Extended Protection: Single treatment prevents algae regrowth for an entire season
  • Triple-Chelated Copper Technology: Advanced chelation prevents staining while maximizing algae destruction
  • 15-Minute Return to Swimming: Fast-acting formula allows quick pool reopening
  • Universal System Compatibility: Safe for chlorine, bromine, and saltwater systems
  • Winterizing Specialist: Ideal for season-end algae prevention and spring startup protection

Pro Tip: Vigorously brush all affected areas with a stainless steel brush to break through the algae's protective biofilm before application. Maintain pH between 7.2-7.6 to prevent copper precipitation and ensure your chlorine levels are 1-3ppm—high chlorine can cause copper-based algaecides to stain pool surfaces. Keep your pump running for 24 hours post-treatment to filter out dead organic matter.

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Applied Bio

About Applied Bio

When standard chemicals fail, pool professionals turn to Applied Biochemists. With a history dating back to 1965, this brand has established itself as the "emergency room" for swimming pools. They don't just sell generic sanitizers; they engineer targeted solutions for the industry's toughest problems—from stubborn Black Algae and chlorine-resistant Mustard Algae to complex mineral stains.

Applied Biochemists is renowned for their "color-coded" approach to algaecides (Yellowtrine, Black Algaetrine), ensuring you treat the specific root cause rather than guessing. If you are battling a persistent issue that won't go away, this is the professional-grade intervention your water needs.

Why We Trust Applied Bio
Symptom-Specific Formulations: Specialized treatments for distinct algae types (Green, Yellow, Black) rather than "one-size-fits-all" fixes.

Professional Strength: High-concentration active ingredients designed to resolve issues faster than big-box store alternatives.

Mineral & Stain Experts: Industry leaders in sequestering agents that prevent metal staining and scale buildup.

Non-Foaming Solutions: Many of their algaecides are engineered to work without causing messy foam, even in spas or water features.

More about Pool and Spa Algaecides for Algae Control

Complete Your Pool Care Routine

Essential Pairing
Phosphate Removers for Clear Pool Water

High phosphates are "algae food"—removing them starves the algae and prevents it from returning.

Shop Phosphate Removers for Clear Pool Water
Highly Recommended
Pool Test Kits and Water Analysis Tools

Algaecide won't work if your pH is unbalanced; always test your water before dosing chemicals.

Shop Pool Test Kits and Water Analysis Tools
Pro Tip: Don't Forget
Pool Brushes for Thorough Surface Cleaning

You must scrub the walls to break the algae's protective slime layer so the chemicals can penetrate and kill it.

Shop Pool Brushes for Thorough Surface Cleaning

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