The Clorox Pool & Spa XtraBlue Algaecide is the ultimate algaecide solution to kill and prevent all types of pool algae - including swampy green algae, slippery mustard algae, and tough, stubborn black algae. This non-foaming, non-staining treatment clears algae in 24 hours and works great in all pool types. Use as a preventative algaecide weekly if your pool is prone to algae or when the temperature increases during the peak of summer.
Features:
- All-in-one algaecide and pool algae killer
- Clears pool algae in 24 hours
- Kills and prevents all pool algae - green, mustard and black algae
- Non-staining, non-foaming formula
- Quick and effective
- Salt pool compatible
- Treats up to 25,000 gallons
- Long lasting treats pool water up to 90 days
- Wait at least 15 minutes after use before swimming
