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Poolife Defend+ 1 QT
Poolife Poolife

Poolife Defend+ 1 QT

Best dual-action treatment for pool owners seeking clear, algae-free water.

Keep your pool water crystal clear with Poolife Defend+ 1 QT. This powerful, multi-functional algaecide and clarifier is designed to tackle green, black, and mustard algae, ensuring a pristine swimming environment. Its fast-acting, non-foaming formula clarifies water for improved appearance and is an essential part of the MPT Extra™ System. For simple weekly maintenance, add 1¼ oz. per 10,000 gallons directly to your pool water. The active ingredient is a 20% concentration of Poly Quat & Clarifier, making it an effective solution for a sparkling clean pool.

$33.99

Track Price
In Stock at Louisiana Casual Living

Owner Satisfaction

4.5

/ 5

 

Category Rank

298

/ 1311

#298 in Pool Cleaners & Chemicals

Price vs Category Average

-50%

Below average

Volume

1

/ QT

 

Who it's for

  • Busy homeowners wanting fewer maintenance tasks throughout the swimming season
  • Pool owners needing a versatile solution for stubborn algae outbreaks
  • Swimmers who prefer crystal clear water without unsightly surface foam

Who should skip it

  • Budget-conscious buyers looking for the most affordable preventative chemical options
  • Pool owners who struggle with precise chemical application and balancing
  • Beginners who prefer simple, forgiving products that resist accidental overdosing

Performance breakdown

Algae eradication

Potent formula effectively neutralizes green, black, and mustard algae blooms.

Excellent

Water clarity

Integrated clarifier agents quickly restore sparkle to cloudy pool water.

Excellent

Application ease

Simple liquid dosing makes weekly maintenance a quick, hassle-free task.

Excellent

Formula stability

Non-foaming composition ensures no unsightly residue or bubbles after treatment.

Excellent

System integration

Seamlessly functions as the final step in the MPT Extra system.

Excellent

Treatment efficiency

High concentration provides significant coverage for large residential pool volumes.

Excellent

Key Specs

Volume

1 QT

Active ingredient

20% Poly Quat & Clarifier

Product Form

Liquid

Application Method

Add directly to pool water

Dosage

1¼ oz. per 10,000 gallons

Maintenance Interval

Weekly

System Step

Step 3 of 3 in the MPT Extra™ System

Treatment Capacity

256,000 gallons

Features

  • Treats and prevents multiple algae types
  • Clarifies water for better appearance
  • Fast-working, non-foaming formula
  • Part of the MPT Extra™ System
  • Designed for weekly maintenance
  • Easy-to-use liquid form
  • Effective algaecide and clarifier

What customers say

Customers overwhelmingly praise Poolife Defend+ for its exceptional reliability in pool maintenance. The powerful, nonfoaming formula consistently prevents and eliminates stubborn algae, including green and mustard varieties. Users value it as a dependable, set it and forget it preventative measure that significantly reduces labor, ensuring crystal clear water even during peak summer heat. While acknowledging the premium price, many loyal customers confirm its superior performance justifies the cost, noting it succeeds where cheaper alternatives fail. Its compatibility with various pool surfaces without causing cloudiness adds to its appeal. The consensus is that this product delivers excellent long term value by guaranteeing consistent clarity, saving time and effort on corrective treatments.

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Poolife Defend+ 1 QT

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