When using MPT Extra 3" chlorinating tablets, shock at least once a week with poolife TurboShock shock treatment. Prevent green, black and yellow algae with poolife Defend+ algaecide by adding it weekly. Use your poolife 6-way test strips to test the chlorine and pH levels at least twice a week.

• Developed using all-in-one technology
• Sanitize, prevent algae, control staining, clarify and soften pool water
• Sun protected for extended chlorine life