Pristine Algae Shield – Advanced Copper-Based Algae Control Protect your pool from stubborn algae with Pristine Algae Shield, a highly effective, copper-based formula designed for long-lasting results. With up to 30 days of protection per application, this non-foaming algaecide is ideal for pools with poor circulation or persistent algae problems. Why Choose Pristine Algae Shield? Powerful Copper Formula: Effectively controls and eliminates all common algae types. Extended Protection: Works for up to 30 days per application. Non-Foaming: Perfect for pools with waterfalls, fountains, or low circulation areas. Keep your pool looking its best with Pristine Algae Shield, the trusted solution for long-term algae prevention. How to Use: Apply the recommended dosage directly to pool water once a month for continuous protection. Stay ahead of algae growth with Pristine Algae Shield—long-lasting defense for a pristine pool.