Clorox Pool and Spa Shock Xtra Blue goes above and beyond with its six-in-one formula including algae-killing crystals. Shock Xtra Blue doesn't impact pH and is fast dissolving so you can swim in as little as 15 minutes. Destroy contaminants the simple way with the Easy-Open, Easy-Pour shock bottle that is resealable and recyclable, unlike traditional shock bags.
- 6-in-1 shock with algae-killing crystals
- Kills and controls green, black and mustard algae
- Kills bacteria
- Clears cloudy water and removes swimmer contaminants
- Reduces chlorine odor and eye irritation
- Improves filter performance
- Won't impact pH
- Treat and swim in 15 minutes
Instructions: Directions for Use: It is a violation of Federal Law to use this product in a manner inconsistent with its labeling. Read entire label and use strictly in accordance with precautionary statements and directions. Tested and balanced water prior to use. Adjust pH to 7.2-7.6 and free chlorine to 1-4 ppm. Visit cloroxpool.com for free water analysis and personalized product and dosage recommendations. Dosage: When/How to Use: 1 lb per 12,000 Gal: To Shock Water Clear and Destroy Organic Contaminants (Body Oils, Sweat, Lotions & Urine): Broadcast in pool's deepest area with filter and pump on. Run filter and pump for 4-8 hrs. Do not pre-dissolve, do not add through skimmer or feeder, and do not mix with other chemicals (a violent reaction may result). Re-Entry: Wait at least 15 minutes after product application before entering pool (Test chlorine level prior to re-entry. Re-entry into treated swimming pools is prohibited above levels of 4 ppm chlorine due to risk of bodily injury). Enter when chlorine level is 1-4 ppm. For Best Results: Shock pool weekly and also after heavy use, high temperatures, or rain. Use at night to prevent sunlight degradation. To Kill Algae: 1. Brush pool surfaces while filter and pump are operating. 2. Add in areas of heaviest algae growth, operate filter and pump for 24 hrs. 3. Repeat brushing. Product can be re-applied after 72 hrs if necessary. 4. Enter when chlorine level is 1-4 ppm (Test chlorine level prior to re-entry. Re-entry into treated swimming pools is prohibited above levels of 4 PPM chlorine due to risk of bodily injury). 1 lb Per 6,000 Gal: To Close Pool: Broadcast in pool's deepest area with filter and pump on. Apply an algaecide per clothing directions after this product. Visit cloroxpool.com for complete closing instructions. Storage and Disposal: Keep this product dry in original tightly closed container when not in use. Store in a cool, dry, well-ventilated area away from heat or open flame. If product becomes damp, discard following instructions for contamination under physical or chemical hazards. Container Disposal: Non-refillable container. Do not reuse or refill this container. Offer for recycling, if available. Triple rinse container (or equivalent) promptly after emptying.