Defend+

A unique, multi-functional, non-foaming algaecide and clarifier that not only treats and prevents green, black and mustard algae, but also clarifies pool water so you can clear your schedule for more pool days.

• This algaecide and clarifier treats and defends your pool water against green, black and mustard algae to prevent party cancellations
  
• Puts the fun in functional with a fast-working, non-foaming formula
  
• Step 3 of 3 in the MPT Extra^™ System — use with MPT Extra^™ and MPT TurboShock
• Easy-to-use, so you can spend less time maintaining pool water and more time living your best pool life
  
• Use this algaecide and clarifier weekly for easy maintenance — add 1¼ oz. directly to pool water for every 10,000 gallons