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Hot Tub Shock & Oxidizers

Hot tub shock and oxidizers: non-chlorine shock in jars and single-dose packets, plus a start-up shock for fresh fills. Shock oxidizes lotions, oils and other bather waste so the sanitizer only has to sanitize; it does not replace chlorine or bromine. Shop: Sanitizers | Shock & Oxidizers | Clarifiers & Phosphate Removers | Purge & Line Flush | pH & Water Balancers | Filter Cleaners | All Water Care

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Which hot tub shock do I need?

Routine shock, granular: Leisure Time Renew is a non-chlorine oxidizing shock that oxidizes organic contaminants and refreshes water after routine or heavy use without adding chlorine. It comes in 2.2 lb and 5 lb containers. FROG StoMPS is a non-chlorine oxidizing shock in a 2 lb jar with a dosing cap and dosing chart.

Routine shock, single-dose packet: FROG Maintain is a non-chlorine shock in a packet: one packet per 600 gallons, with the jets on high until it dissolves. With a FROG mineral system it is used once a month.

Fresh fill: FROG Jump Start is a start-up shock. One packet per fresh fill removes organic contaminants from the fill water and establishes the initial chlorine level. It is not the monthly shock; that is Maintain.

Chlorine: Leisure Time Spa 56 Chlorinating Granules are listed for both routine sanitation and superchlorination. You will find them with the hot tub sanitizers.

Always follow the directions on the product label.

✅ Not Finding What You Are Looking For? Ask Us

Tell us your spa brand, model and year, which sanitizer you use and what the water is doing.

A photo helps:

  • The water as it looks now
  • The label of the shock or sanitizer you use today
  • Your latest test strip next to the bottle chart

We’ll point you to the right shock before you order.


Hot Tub Shock FAQs

Does shock replace my sanitizer?

No. An oxidizing shock does not replace the normal chlorine or bromine sanitizer program. It oxidizes the organic contaminants so the sanitizer can do its own job.

How often should I shock a hot tub?

With a FROG mineral system, once a month with a Maintain packet, plus an extra dose after heavy use such as a party. For other products and sanitizer programs, follow the directions on the product label.

What is the difference between FROG Jump Start and FROG Maintain?

Jump Start is a start-up shock used once at every drain and refill; it establishes the initial chlorine level. Maintain is the non-chlorine shock used for monthly maintenance.

What is the difference between FROG StoMPS and FROG Maintain?

They use the same non-chlorine MPS chemistry. StoMPS is the granular jar for owners who prefer scooping; Maintain is the single-dose packet.

Does non-chlorine shock add chlorine to the water?

No. Leisure Time Renew, for example, oxidizes contaminants without adding chlorine.

How long do I wait before using the spa after shocking?

Follow the waiting-time directions on the product label and test the water before you get in.

Does hot tub shock ship free?

Orders over $99 ship free in the lower 48.

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