Hot Tub Things® Oxidizing Spa Shock – Chlorine-Free Oxygen Cleaner
Hot Tub Things® Oxidizing Spa Shock is a powerful, non-chlorine oxidizer formulated with potassium monopersulfate (MPS). Unlike traditional chlorine shock treatments, our oxygen-based formula breaks down oils, lotions, cosmetics, and organic waste without adding harsh chemicals or creating strong odors.
This fast-acting oxidizer works by releasing active oxygen into your spa water, destroying contaminants at the molecular level while leaving your sanitizer levels unaffected. The result? Crystal-clear, fresh-smelling water that's ready to enjoy in minutes, not hours.
Available in three convenient sizes—1 lb, 2.2 lb, and 5 lb—our oxidizing shock is perfect for regular maintenance schedules and provides exceptional value for dedicated spa owners.
Frequently Asked Questions
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Use oxidizing shock weekly for regular maintenance, plus after heavy use or when water appears cloudy. Frequently used spas benefit from shocking twice weekly.
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Yes! Oxidizing shock is perfect for bromine systems. It reactivates bromide ions into active bromine, enhancing sanitizer effectiveness while maintaining clarity.
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Oxidizing shock removes contaminants without adding sanitizer, allows 15-minute swim time, and has no smell. Chlorine shock sanitizes and oxidizes but requires 8-24 hours wait time.
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No. Oxidizing shock is chlorine-free and won't affect sanitizer levels. It may cause temporary false-high readings on test strips—wait 15 minutes and retest.
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For a typical 250-400 gallon spa, use 2 tablespoons (1 oz) weekly. A 2.2 lb container provides approximately 35 treatments for a 250-gallon spa.
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While gentler than chlorine shock, overuse can temporarily cloud water or cause foaming. Follow dosage guidelines—weekly maintenance plus after heavy use.
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Use oxidizing shock for weekly maintenance and quick turnaround. Use chlorine shock when sanitizer is depleted, water is green, or you need heavy-duty sanitization.
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With oxidizing shock, you can safely enter your spa in just 15 minutes after treatment, compared to 8-24 hours with chlorine shock.
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