– Powerful oxygen-based oxidizer destroys spa water contaminants
– Compatible with chlorine and bromine
– Gentle on all spa surface
– Quickly dissolves
SPA OXIDIZING SHOCK INSTRUCTIONS
Add 2 ounces per 300 gallons of spa water.
After each time the spa is used, add 1 ounce per 300 gallons of water. Add 1 ounce per 300 gallons 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.
NCI threaded safety cap = 1/2oz
NCI large over cap = 5oz