HTH Super Sock It Vinyl & Plaster Pool Shock

1 lb. per 12,000 gallons of pool water weekly.

Use this product as part of your routine maintenance to keep your vinyl, plaster, or concrete pools free of waterborne contaminants. 

Method of Application:

1. Use entire bag when opened. 
2. Add the recommended dosages of this product during evening hours while the filter pump is running. 
3. When adding this product to your pool, broadcast the product evenly over a wide area in the deepest area of your pool. 
4. If any of the granules settle to the bottom of the pool use brush to disperse. 
5. Let pump run 6 to 8 hours minimum after applying.

Pool Shock Treatment:

1. Add the recommended dosages of this product while the filter pump is running. 
2. See Method of Application section above. 
3. When adding this product to your pool, broadcast it evenly over a wide area in the deepest area of your pool. 
4. Adjust and maintain pH to 7.2 to 7.4 with HTH pH Plus or Minus. 
5. Follow label directions. 
6. Add 1 pound of this product per 12,000 gallons of water weekly to help prevent pool problems. 
7. Additional shock treatments may be required to correct problems which are caused by: visible algae, high swimmer loads, heavy wind and rainstorms. 
8. Additional shock treatments will also remove unpleasant odors and eye irritation. 
9. Do not reenter pool until the free available chlorine residual is 1-4 ppm. 
10. Shock treat you rpool when opening, then weekly to prevent pool problems.

Algae Control:

1. If the sides or bottom of your pool develops algae spots, direct this product as close to the algae as possible. 
2. Follow Shock Treatment directions above.  Note:  Prolonged contact with pool surfaces may cause staining or bleaching. 
3. Immediately after treatment thoroughly clean pool by brushing surface of algae growth, vacuum and cycle through filter. 
4. If necessary, repeat the treatment. 
5. Pool should not be entered until the chlorine residual is 1-4 ppm.

Opening Your Pool:

1. Follow Shock Treatment directions above. 
2. Allow 30 minutes for product to disperse and test chlorine residual with a pool test kit. 
3. Repeat dosage, as needed, until chlorine residual is 1-4 ppm.

Water Balance:

1. For best product performance, swimmer comfort, and crystal clear water:
2. Maintain pH in the 7.2-7.6 range. 
3. Maintain total alkalinity in the 60-100 ppm range, while keeping calcium hardness above 200 ppm. 
4. Maintain available chlorine level at 1-4 ppm with the use of your normal sanitizer. 
5. Use a reliable test kit that measures all these ranges. 
6. Use the HTH Pool Care products to make adjustments. 
7. Follow label instructions for each product.