McGrayel Algatec 10064 Super Algaecide for Green, Yellow and Black Algae 64 Ounce
- Will not interfere with pool water pH, or sanitizer levels and can swim immediately after treatment
- Kills rather than starves algae and prevents algae regrowth due to biostatic inhibitors
- Kills most algae in 8 to 24 hours; black algae in 7 to 10 days
- Salt pool friendly Formula contains no metals, bromides, or quats; Works synergistically with chlorine for fast cleanup
- Super-clarifics pool water during cleanup function