Top 5 Spa Sanitizers

Below, we have reviewed some outstanding spa sanitizers.

Keep reading this guide if you want the water in your hot tub to always be germ-free, clean, sparkly, and inviting so you can hop in any time you want to enjoy a relaxing soak.

1. Ouster Hot Tub Cleaner– 3-in-1 Weekly Care for Portable Hot Tubs and Swim Spas – Sparkling Clean & Silky Soft Water – Reduces Harsh Spa Chemicals- 32oz


Adding 3-in-1 Weekly Care to your spa every 7-days minimizes gunk & crud build up in your plumbing system, filter and jets. Plus each treatment includes additional water conditioners to ensure a soft & silk water feel, sparkling clean & crystal clear water for your next soak.


- 3-IN-1 COMPLETE WATERCARE SYSTEM: Weekly treatment combines hot tub cleaner, conditioners and clarifier to ensure a soft & silk water feel, sparkling clean & crystal clear water for your next soak.

- REDUCES HOT TUB COSTS AND USAGE: No need to use multiple watercare chemicals to treat your portable therapy spa or hot tub. Just add one weekly dose of Ouster 3-in-1 Weekly Care with your regular watercare regimen. That’s it.

- CLEANS HOT TUB INSIDE OUT: Loosens, suspends & purges hidden gunk that build up over time.

- LOWEST COST PER WEEKLY DOSE: Our concentrated formula lasts up to 3 times longer than other similar spa cleaners.

- OUSTER 3-IN-1 WORKS ON ALL PORTABLE SPA MODELS: Formulated for today's premium acrylic hot tubs and jetted portable spas.


2. HTH Spa 86230 Clear Chlorinating Sanitizer Spa and Hot Tub Cleaner, 2 lbs

This HTH Spa Clear Chlorinating Sanitizer helps protect hot tub water against chlorine loss, which optimizes the comfort and use of your pool with no sediment. With the minimum available chlorine of 45% with the active ingredient Dichlor, this spa care chemical is an essential for proper maintenance so you can soak and relax all season long.


- Helps control the growth of algae, kill bacteria, and destroy organic materials

-  Add recommended dosage during the nights when the filter pump is running

- Made for use in spas, hot tubs, and jacuzzies

- Easy and simple to use

- One 2-lb container of HTH Spa Clear Chlorinating Sanitizer


3. Leisure Time 22337A Spa 56 Chlorinating Granules for Hot Tubs, 2 lbs, gray


Easily kill bacteria and algae while offering a steady source of chlorine to your pool with the Leisure Time Spa 56 Chlorinating Granules, a must have for spa supplies. Stabilized against UV radiation, these pool and hot tub chemicals dissolve quickly and completely in your pool. Easy to apply and used for routine sanitation, this Leisure Time spa cleaner is can also be used as a shock treatment, is almost pH neutral, and doesn’t upset the balance of chemicals in your water.


- Destroys organic contaminants to maintain clean, clear, sanitized water; helps control algae growth

- Specifically formulated for spa and hot tubs; can be used as a shock treatment

- Chlorine sanitizing systems

- Quick dissolving; EPA approved chemical formula

- Sodium Dichloro-s-Triazinetrione Dihydrate


4. SpaGuard Chlorinating Concentrate - 2 lbs


The sanitizing power of chlorination in concentrated granules.  Chlorinating Concentrate should be added directly to spa water while the pump is running. Use regular doses as a sanitizer and shock doses as an oxidizer.


- Granular stabilized chlorinator

- Acts as a sanitizer and an oxidizer; no need for two products

- Fast acting

- Quick dissolving

- May be added directly to spa, no predissolving needed


5. Spa Essentials 32130000 Chlorinating Concentrate Granules for Spas and Hot Tubs, 2-Pound


Spa Essentials Chlorinating Concentrate is a spa and hot tub sanitizer. Customers prefer this product because it is a fast acting granular stabilized chlorinator that acts as a sanitizer and an oxidizer. This is a hard-working product that will kill and control bacteria - resulting in water that's a pleasure to soak in. Spa Essentials brand chemicals are the easiest to use: reach and maintain beautiful spa water. 97% Sodium dichloro-s-triazinetrione.


- Granular stabilized chlorinator

- Fast acting

- Quick dissolving

- Acts as a sanitizer and an oxidizer; no need for two products

- May be added directly to spa, no pre-dissolving needed


 If you have any other questions about pool and spa products please do let us know - we are here to help! 

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