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Spa Oxidizing Shock is a powerful oxygen-based oxidizer. Spa Oxidizing Shock dissolves quickly and is gentle on spa and hot tub surfaces. It contains no chlorine or other sanitizer and should be used for oxidizer treatment only. For routine disinfection use an EPA registered sanitizer according to label directions. Spa Oxidizing Shock is compatible with spas using chlorinating or brominating products.
Directions for use:
Read entire label before using
NCI threaded safety cap = 1/2oz NCI large over cap = 5oz
Initial Treatment Add 2oz per 300 gallons (1135L) of spa water
Regular Treatment After each time the spa is used, add 1oz per 300 gallons (1135L) of water Add 1oz per 300 gallons (1135L) each week the spa is not being used Add product with circulating pump running, continue circulating for at least 30 minutes Turn the jets on and off once or twice after adding the product to improve the treatment