white plastic bottle with blue wave graphics labeled Swimtrine Plus Algaecide for swimming pools with caution and usage details
Applied Bio

Applied Bio Swimtrine Plus Algaecide 32 fl oz Bottle | 4009910

$33.99
/
$9.99 flat shipping on orders under $100.
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SKU:
4009910

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About This Item

This concentrated copper algaecide quickly kills mustard and green algae and prevents all types of algae from recurring. Add a preventative dose bi-weekly to be free of algae! Triple-chelated formula contains 9.3% copper.

  • No waiting to swim
  • Compatible with bromine, chlorine, salt water, ozone and mineral systems
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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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