Robarb Sani Spa

Chlorinate: Add 1/2 oz. per 500 gallons.
Maintain: Sani-Spa should be added daily or as necessary to maintain 2 to 3 ppm residual chlorine.
Superchlorination: 1 oz. per 500 gallons.

To Chlorinate:

1. Add 1/2 oz. Sani-Spa Concentrated Chlorinating Granules per 500 gallons of water to the water prior to entering the spa. 
2. Wait 5 minutes then check chlorine residual. 
3. Residual chlorine must read between 2 to 3 ppm. 
4. If it does not, additional dosages of material should be aded until it does. 
5. Once the chlorine residual is established in the 2 to 3 ppm range, the spa or hot tub may be entered.

To Maintain:

1. Sani-Spa Concentrated Chlorinating Granules should be added daily or as necessary to maintain 2 to 3 ppm residual chlorine. 
2. Frequent checks should be made of residual chlorine using a reliable test kit. 
3. Sani-Spa Concentrated chlorinating granules should be broadcast over the surface of the water and allowed at least 5 minutes mix time before sampling.  Note: Heavy bather usage or the use of oils or lotions may increase the chlorine demand of the spa or hot tub resulting in the need for more frequent checks of chlorine residual.

Check pH:

1. pH should be monitored with a reliable test kit and maintained at 7.2 to 7.8 range for clean, sparkling water, pH can be decreased by adding a suitable agent such as sodium bisulfate or increased by adding a suitable agent such as sodium bicarbonate.

Superchlorination:

1. It is good practice to superchlorinate every 2 to 4 weeks. 
2. To superchlorinate add 1 oz. of Sani Spa Concentrated Chlorinating Granules for each 500 gallons of water. 
3. Thoroughly clean spa, vacuum and cycle through filter. 
4. Resume program when chlorine residual reads 2 to 3 ppm.