HTH Spa Chlorinating Sanitizer

Regular Dose:  0.7 oz. per 500 gallons to maintain a chlorine residual of 5 ppm.

Shock Dose:  2 oz. per 500 gallons.

Non-Use Dose:  2 oz per 500 gallons twice weekly.

Inert Ingredients 52.4%

Available Chlorine 45%

Water Balance:  For best product performance, swimmer comfort, and crystal clear water:

1. Maintain pH in the range of 7.2 to 7.6. 
2. Allow the pH adjusters to dissolve and disperse before adding this product to the pool.
3. Maintain total alkalinity in the range of 60 to 100 ppm.
4. Maintain calcium hardness above 200 ppm.
5. Maintian available chlorine level at 1-4 ppm. 
6. Use a reliable test kit that measures all these ranges. 
7. Use HTH products to make adjustments. 
8. Follow label directions for each product.

Spa/Hot Tub: 

1. For best results, follow guidelines in water balance section above. 
2. Apply 0.7 ounces of this product per 500 gallons of water to obtain a free available chlorine concentration of 5 ppm, as determined by a suitable test kit. 
3. Adjust and maintain spa water pH to between 7.2 to 7.6. 
4. Allow the pH adjusters to dissolve and disperse before adding this product to the spa. 
5. Maintain these conditions for proper spa and hot tub operation by frequent testing with a test kit. 
6. It is recommended that spas and hot tubs be drained every 30-90 days, more often under heavy use. 
7. Consult manufacturers recommendations concerning the compatibility of chlorine sanitizers with their equipment. 
8. Some oils, lotions, fragrances, cleansers, etc. may cause foaming or cloudy water and may react with chlorine sanitizers to reduce their efficientcy. 

Regular Use: 

1. For best results, see water balance section above before treatment. 
2. Turn on circulation system and ensure that it is operating properly. 
3. To maintain the water, apply 0.7 ounces of this product per 500 gallons of water over the surface to maintain a chlorine concentration of 5 ppm. 
4. Do not enter spa until chlorine residual has reaches 1-5 ppm. 
5. Test for free available chlorine and add additional product (if necessary) to attain a chlorine concentration of 1-5 ppm FAC. 
6. After each use, shock treat with 2 ounces of this product per 500 gallons of water, to control odors and algae. 
7. Repeat as needed.

Extended Non-Use Period: 

1. For best results, see water balance section above before treatment. 
2. During extended non-use periods when the spa or hot tub is not being used add 2 ounces of this product per 500 gallons twice a week with the circulation system running or as needed to maintain exceptional chlorine concentration.