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Available size(s)
1 qt.

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Poolife™ Algaecide 90

90 Day Algaecide for Long-Term Algae Control

Kill and prevent green, black and mustard algae for up to 3 months with just one application. This non-foaming, fast-acting algaecide also prevents staining and is compatible with all pool surfaces and sanitizing systems. One 1-quart bottle treats up to 20,000 gallons of water, for season-long clarity with minimal effort.

90-Day Algae Protection in a Single Dose

  • Long-Lasting Formula: 90-day protection with a single dose
  • Powerful Algae Control: Kills and prevents green, black and mustard algae
  • Chelated Copper Technology: Helps prevent staining on pool surfaces
  • Fast-Acting & Non-Foaming: Works immediately and is safe for swimming immediately after application
  • System & Surface Compatible: Works with all sanitizers and pool finishes

Available size(s)
1 qt.

Why You'll love
Poolife™ Algaecide 90

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  • A single treatment provides up to 90 days of powerful defense against algae

Additional Information

How To Use Poolife™ Algaecide 90 Algaecide

Application Method

  • Add 16 fl. oz. per 10,000 gallons of pool water
  • Pour directly into the deep end of the pool with the pump running
  • Circulate water for at least 4–6 hours after application
  • Reapply every 90 days for continuous protection

Dosage Instructions

  • Standard Dose: 16 fl. oz. per 10,000 gallons every three months
  • Do not exceed recommended dosage
  • Maintain sanitizer levels (chlorine or bromine) as directed for your pool

Frequently Asked Questions

Q: How long does Poolife™ Algaecide 90 last?
A: Each application provides up to 90 days of protection against all major algae types.

Q: Will this product stain my pool?
A: No. The copper is chelated, meaning it’s chemically stabilized to help prevent surface staining.

Q: Is it safe to swim after using this algaecide?
A: Yes. Poolife™ Algaecide 90 is non-foaming and safe for swimming immediately after use.

Q: Can I use this with saltwater or chlorine pools?
A: Yes. It’s compatible with all sanitizing systems, including chlorine, bromine and saltwater generators.

Q: Can I use Poolife™ Algaecide 90 during rainy or high-heat periods?
A: Yes. It’s formulated for durability and remains effective even during heavy rain, heat waves or high swimmer load — just be sure sanitizer levels remain within recommended range.

Q: Will this product affect my pool’s pH or water balance?
A: No. Poolife™ Algaecide 90 is pH-neutral and non-reactive, so it won’t interfere with your pool’s chemical balance.

Q: What should I do if I already have visible algae?
A: For best results, treat with a shock product first to eliminate visible algae, then apply Poolife™ Algaecide 90 to prevent regrowth for up to 90 days.

Q: Can I use this algaecide in a spa or hot tub?
A: No. Poolife™ Algaecide 90 is intended for use in swimming pools only. For spas or hot tubs, choose a product labeled specifically for high-temperature, small-volume systems.

Benefits of 90-Day Algaecide Use

Health & Safety

  • Helps prevent the slippery surfaces and unsanitary conditions caused by algae
  • Reduces the need for frequent shocking or excessive chlorine use

Water Quality

  • Maintains consistently clear, sparkling water
  • Prevents algae blooms from clouding your pool

Maintenance Convenience

  • Just one treatment every three months
  • Reduces chemical handling and weekly maintenance tasks

Pool Chemical Specifications

  • Active Ingredient:09% Copper (chelated)
  • Function: Long-term algaecide for green, black and mustard algae
  • Formula Type: Liquid, non-foaming, stain-resistant
  • Usage Frequency: Every 90 days
  • Compatibility: All pool types and sanitization systems

Storage and Safety Guidelines

  • Store tightly closed in original container in a cool, dry place
  • Keep away from children, pets and direct sunlight
  • Do not mix with other chemicals
  • Use gloves and eye protection when handling
  • Always follow label instructions for proper use and disposal