About how many cups are in one bag?

10 cups if you're measuring out 8 oz's - I do know I ordered another larger bag (19 pounds) rather quickly as I do use in my bath regularly ...

What percentage of magnesium sulfate does this product contain? (how pure is it?) I have seen some brands that contain about 20%, is this one of them?

It says on label "Active Ingredient - Magnesium Sulfate USP (Epsom Salt). You may want to contact the "San Francisco SALT Co. @ 800-480-4540 or sfsalt.com. Hope this helps ...

How much should I use in a hot tub holding 1,500 gallons of water?

I used a handful of this for half a gallon water. I would roughly estimate it as 5 lbs per 50 gallons of water.Do the math for 1500 gallons.Ensure it is dissolved well in a small portion of water before you mix it to the larger container.

can you please clarify is this 5 pounds as in heading or 3.7 as listed in product details

Hello Sam Aromasong,The weight of our bag is 5 pounds as listed, the 3.7 lbs in the product details in incorrect. Occasionally Amazon will weigh a product at a fulfillment center and enter an incorrect weight in on accident. Thank you for bringing it to our attention! We will work with Amazon to make that reflect the correct weight. Have a great day!-RebeccaCustomer SupportSan Francisco Salt Company

Epsom Salt 5 Lb Magnesium Sulfate Usp Resealable Epsom Salt

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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NZ$74

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Description

🛁 Elevate your self-care game with pure, fast, and ethical luxury!

ECO CHIC PACKAGING - Resealable 5 lb bag keeps your ritual fresh and your space clutter-free—ideal for daily wellness warriors.
FAST DISSOLVE FORMULA - Enjoy hassle-free baths as the translucent crystals melt quickly, letting you unwind without delay.
VERSATILE SPA ESSENTIAL - Perfect for baths or foot soaks after long workdays or workouts—your at-home sanctuary awaits.
CONSCIOUS CRUELTY FREE - Proudly made in the USA with cruelty-free certification, aligning with your ethical lifestyle choices.
PURE RELAXATION NO COMPROMISE - Experience the clean, unscented soak with premium magnesium sulfate USP—perfect for mindful self-care.

Epsoak Epsom Salt is a 5 lb resealable bag of 100% pure magnesium sulfate USP crystals, designed for quick dissolution in bath or foot soaks. Unscented and cruelty-free certified, this USA-made product supports therapeutic relaxation and detoxification, making it a must-have for mindful wellness routines.

Specifications

ASIN	B004N79BYC
Age Range (Description)	Adult
Age Range Description	Adult
Bathwater Additive Type	Bath Salt
Best Sellers Rank	#7,989 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #37 in Bath Salts
Brand	Epsoak
Brand Name	Epsoak
Coin Variety 1	Epsom Salt
Color	White
Customer Reviews	4.8 out of 5 stars 8,600 Reviews
Item Form	granular
Item Weight	5 Pounds
Manufacturer	San Francisco Salt Company
Manufacturer Part Number	EP-BULK-PARENT
Material Feature	Cruelty Free, Natural, Non-GMO, Vegan, Vegetarian
Material Features	Cruelty Free, Natural, Non-GMO, Vegan, Vegetarian
Material Type Free	Dye Free, Paraben Free, Sulfate Free
Model Number	EP-BULK-PARENT
Number of Items	1
Package Size Name	5 lb
Product Benefits	Detox
Recommended Uses For Product	Therapeutic
Scent	unscented
Scent Name	unscented
Skin Type	All
Special Ingredients	Magnesium Sulfate
UPC	817678010602
Unit Count	80.0 Ounce

Reviews

A**M

27.03.2026

S**N

26.04.2026

M**E

19.10.2025

E**.

14.10.2024

M**E

26.01.2017

N**E

18.07.2025

D**.

1.07.2020

S**S

1.04.2026

K**M

10.02.2020

R**E

15.06.2019

Z**I

5.02.2024

S**L

3.04.2016

M**E

30.12.2025

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Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

NZ$74

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In stock

Sold byAmazon New ZealandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to New Zealand.

Secure transaction

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Epsom Salt 5 lb. Magnesium Sulfate USP. Resealable Epsom Salt Bag Unscented, Made in The USA, Cruelty-Free Certified

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