A pouch of Medicine Springs Sport Formula mineral therapy product

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$47.20 every 3 months

Hot Tub Sport Formula Subscription

$47.20 every 3 months

This skin-safe hot tub soak treats up to 400 gallons of water and is safe for your hot tub lining, jets, and filters, and is plumbing and septic system safe. With regular use, this product will last approximately three months in your hot tub.

Annual Subscription Hot Tub Soak – 1 year (20% discount)


The Medicine Springs Sport Formula was produced from hot springs in Yellowstone down through Central and South America. Historically, these springs were called “Warrior Pools” and were frequented by ancient Indigenous warriors to speed up recovery, relieve sore muscles, and promote healing.

This formula is high in transdermal magnesium and bicarbonates, resulting in a mineral cocktail that reduces muscle and joint inflammation, aids in circulation, flushes out lactic acid build-up, and gets you back out adventuring sooner! 

What will this do to the chemistry of your hot tub?

Expect an increase in your PH for the first week or so. If your hot tub is perfectly balanced at 7, it will change to approximately 7.6–7.8. Changing PH is a typical result of the mineral reaction. Do not try to treat it away or lower the PH. Let the minerals do their thing. Soak and enjoy, then after about a week, the water will begin to return to your typical PH, and you can treat it as needed.


Are you a regular hot spring soaker? Sign up for one of our subscription plans to have your favorite products shipped to you on a regular schedule (and at a discount!).

Annual Subscription Hot Tub Soak – 1 year (20% discount)

Subscription Terms & Conditions
Subscription plans may be canceled anytime with 24-hour notice. Products will be shipped on the 1st or the 15th of each month. Hot tub soaks will be sent every three months and are only available as an annual subscription. Subscriptions will automatically renew unless canceled 24-hours before renewal.

Additional information

Weight 39 oz
Dimensions 9 × 4.75 × 13.5 in


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