Poolife® Defend+® Algaecide
A unique, multi-functional, non-foaming algaecide that not only treats and prevents green, black and yellow algae, but also clarifies pool water so you can clear your schedule for more pool days.
Step 3 of the MPT Extra® System.
Treat visible algae and prevent future algae growth.
Active ingredient: 20% Poly Quat & Clarifier.