Top 10 Best Clorox Pool And Spa Extra Blue

All-in-one algae Killer. Quick and effectively kills Green, mustard and Black pool algae. Treats up to 25, 000 gallons. Non-staining, non-foaming formula.

Multifunctional pool shock with algae-fighting crystals. Creates crystal clear water. Kills and prevents green, black and mustard pool algae. Kills bacteria. Improves filter performance. Power Source Type Manual.

Protects against algae and bacteria for water that stays clean, clear and free of visible algae. Kills all types of pool algae and kills bacteria. Protected against sunlight to last longer. Packaging may vary.

Concentrated pool clarifier to clear dull, hazy or cloudy pool water. Creates crystal clear pool water. Combines Small particles into large ones for easy filter removal. Use weekly to maintain clear water. Great for before or after a pool party for crystal clear water. NOTE Packaging may vary.

Works with iPhone and Android. Instant, accurate customized test results. Step-by-step treatment instructions.

Combines small particles into larger masses for easy filter removal. Makes water crystal clear. Safe for all spa types. No assembly required.

Kills bacteria. Kills and prevents all types of pool algae. Prevents corrosion, scale and stains. Long-lasting sunlight protection. NOTE Packaging may vary.

Non-foaming formula. Effective kill and preventative treatment. Suitable for all pools.

Prevents and treats pool algae. Built in clarifier. Non-foaming formula. Suitable for all pool types. Packaging may vary.

Easy open, easy pour bottles. Clears cloudy water and removes swimmer contaminants. 4-In-1 formula won't impact pH. Improves filter performance. Treat and Swim in 15 minutes if free chlorine is between 1 to 4 ppm.