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Hot Tub Things

Water Care & Chemicals

Top-Rated Hot Tub Chemicals & Water Care Solutions | Fast Shipping at Hot Tub Things

Hot Tub Things

Hot Tub Things Filters

Upgrade your spa with premium hot tub filters from Hot Tub Things.

Hot Tub Things

Accessories & Spa Essentials

Elevate relaxation and convenience with premium hot tub accessories & spa essentials. Shop the best add-ons for comfort, style, and crystal-clear water, all in one place.

Hot Tub Things

Ultimate Comfort Hot Tub Pillows

Soft, durable, and perfectly contoured hot tub pillows crafted to deliver ultimate relaxation and spa enjoyment.

Hot Tub Things™

Hot Tub Things® Oxidizing Spa Shock (2.2 lb) – Chlorine-Free Oxygen Cleaner

Shock

Hot Tub Things® Oxidizing Spa Shock (2.2 lb) – Chlorine-Free Oxygen Cleaner

Regular price $38.50
Sale price $38.50 Regular price $0.00
Hot Tub Things Spa Clarifier – 16 fl oz Fast‑Acting Cloudy Water Eliminator

Clarifier

Hot Tub Things Spa Clarifier – 16 fl oz Fast‑Acting Cloudy Water Eliminator

Regular price $12.50
Sale price $12.50 Regular price
Hot Tub Things Oxidizing Spa Shock – 1 lb Chlorine‑Free Oxygen Cleaner

Shock

Hot Tub Things Oxidizing Spa Shock – 1 lb Chlorine‑Free Oxygen Cleaner

Regular price $14.13
Sale price $14.13 Regular price $0.00
Hot Tub Things® Chlorinating Granules (5 lb) – Spa & Hot Tub Sanitizer

Sanitizer

Hot Tub Things® Chlorinating Granules (5 lb) – Spa & Hot Tub Sanitizer

Regular price $65.00
Sale price $65.00 Regular price $0.00
Hot Tub Things® pH & Alkalinity Up (2 lb) – Granular Water Balancer

Balancer

Hot Tub Things® pH & Alkalinity Up (2 lb) – Granular Water Balancer

Regular price $21.50
Sale price $21.50 Regular price $0.00
Hot Tub Things Spa Clarifier – 32 fl oz Bottle for Sparkling Water

Clarifier

Hot Tub Things Spa Clarifier – 32 fl oz Bottle for Sparkling Water

Regular price $25.50
Sale price $25.50 Regular price

Frog® Hot Tub Water Care Systems – Mineral Sanitizers for Crystal Clear Water

Frog® @ease® SmartChlor® Cartridge 3‑Pack – Bullfrog® Spas Classic – part #10‑01053

Sanitizer

Frog® @ease® SmartChlor® Cartridge 3‑Pack – Bullfrog® Spas Classic – part #10‑01053

Regular price $55.95
Sale price $55.95 Regular price $0.00
Frog® @ease® SmartChlor® Sanitizing System – Bullfrog® Spas Classic – part #10‑01053

Sanitizer

Frog® @ease® SmartChlor® Sanitizing System – Bullfrog® Spas Classic – part #10‑01053

Regular price $57.95
Sale price $57.95 Regular price
Frog® @ease® SmartChlor® Cartridge 3‑Pack – Sundance® Spas – part #6473-297

Sanitizer

Frog® @ease® SmartChlor® Cartridge 3‑Pack – Sundance® Spas – part #6473-297

Regular price $55.95
Sale price $55.95 Regular price $0.00
Frog® @ease® SmartChlor® Sanitizing System – Sundance® Spas – part #6473-296

Sanitizer

Frog® @ease® SmartChlor® Sanitizing System – Sundance® Spas – part #6473-296

Regular price $57.95
Sale price $57.95 Regular price $0.00
Frog® @ease® SmartChlor® Cartridge 3‑Pack – Jacuzzi® Hot Tubs – part #6473-295

Sanitizer

Frog® @ease® SmartChlor® Cartridge 3‑Pack – Jacuzzi® Hot Tubs – part #6473-295

Regular price $55.95
Sale price $55.95 Regular price $0.00
Frog® @ease® SmartChlor® Sanitizing System – Jacuzzi® Hot Tubs – part #6473-294

Sanitizer

Frog® @ease® SmartChlor® Sanitizing System – Jacuzzi® Hot Tubs – part #6473-294

Regular price $57.95
Sale price $57.95 Regular price $0.00

Why Customers Love Us!

"I love supporting a Bay Area business, and Hot Tub Things never disappoints. My filter order arrived the next day, and everything was exactly as described. Definitely my go-to from now on."

Amanda K.

San Mateo, CA

"After checking multiple stores, Hot Tub Things had the best prices on my Jacuzzi chemicals. The order process was smooth, and I even got a thank-you note in my package. It’s nice to shop with a company that values its customers."

Michael S.

Fremont, CA

"I ordered replacement filters and some water care supplies, and they arrived within just two days—faster than I expected! One item was out of stock, but customer service emailed me right away and offered a great alternative. Truly impressed."

Sarah P.

Sacramento, CA

"Finding the right part for my Sundance spa used to be a nightmare until I found this site. The part numbers are clear, and their compatibility notes helped me avoid a costly mistake. Five stars for accuracy and ease!"

Lisa J.

Scottsdale, AZ

"I’ve placed multiple orders over the last six months, and everything has gone smoothly. Their email updates keep me informed, and I appreciate their curated product suggestions. It’s the only place I shop for my hot tub now."

Danielle T.

Raleigh, NC

"I called with a question about the right filter size for my Sundance spa, and the rep walked me through everything. It’s rare to find that kind of expertise these days. Excellent experience from start to finish."

David W.

Palo Alto, CA

"I’ve ordered multiple times now—steps, covers, filters—and every single order has been perfect. Fast shipping, well-packed products, and top-notch quality. Highly recommend for anyone in the Bay Area."

Rachel P.

Oakland, CA
Free Standard Shipping

Free Standard Shipping

On any order $100+ (exceptions apply).

Authorized OEM Dealer

Authorized OEM Dealer

Purchase parts with confidence.

30 Day Risk-Free Returns

30 Day Risk-Free Returns

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