QT DEFEND +

Defend+® is a non-foaming algaecide that not only treats and prevents green, black and yellow algae, but also clarifies your pool water. This powerful formulation can be used for the prevention of future algae growth and the treatment of visible algae.

Useful Tips:

  • Ideal for treating green, black and yellow algae.
  • Shake well before measuring out the required amount of product.
  • Use as step 3 within the poolife®Brite Stix® System and the poolife® MPT Extra™ System.
  • Click hereto watch the poolife® Defend+® algaecide video.

$36.99 $35.14

Out of stock

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Now offering Curbside Water Testing by Appointment Only!

Visit us online to schedule your 15-minute water testing consultation.

Simply select your store location and choose from the appointment slots available. 

Bring your water test bottle with a sample of your pool or spa water to your scheduled appointment. Please label the test bottle with your name, and drop it off at the water testing counter.


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