Clorox Swimming Pool & Medical spa Shock XtraBlue will shock, oxidize, buffer and clarify your swimming pool’s water. It also eliminates germs and includes blue algae killing crystals. With the easy pour bottle, utilize what you require and close the bottle up until the next application.
- Easy open, simple pour bottles
- Consists of blue algae killing crystals
- Kills and avoids green, black and mustard algae