Yes it is! In the state of Oklahoma.

Is there any elemental analysis available? Anything other than calcium sulfate? Any magnesium present?

Ingredient list only includes calcium sulfate with small amounts of water and sodium chloride for preservation

Yes, it's labeled food grade and works fine for making tofu.

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North Mountain Supply - GY-1.5lb Food Grade Calcium Sulfate (Gypsum) (1.5 Pounds)

North Mountain Supply - GY-1.5lb Food Grade Calcium Sulfate (Gypsum) (1.5 Pounds)

Product ID: 186764512

Details

Brand
North Mountain
Flavor
Unflavored
Item Form
Powder
Primary Supplement Type
Calcium
Unit Count
1.00 Count

🌱Boosts soil calcium & sulfur

🍺Optimizes brewing water hardness

⚖️1.5 lbs pure powder

Description

🌟 Elevate every project—from garden to glass—with pure, professional-grade gypsum!

MULTI USE VERSATILITY - From pickling to plaster molds, this powder adapts seamlessly to culinary, gardening, and creative projects.
GARDEN GROWTH CATALYST - Elevate your soil’s calcium and sulfur levels to improve water retention and combat blossom end rot like a pro gardener.
FRESHNESS SEALED QUALITY - Tamper-evident airtight jar guarantees premium purity and long shelf life—always ready when you are.
CULINARY COAGULATION POWER - Transform homemade tofu with flawless texture using this trusted food-grade coagulant.
PRECISION BREWING ENHANCER - Add 1 tsp per 5 gallons to perfect water hardness and acidity for craft-level beer clarity and taste.

North Mountain Supply’s 1.5 lb Food Grade Calcium Sulfate (Gypsum) is a premium, multi-functional powder designed for precision brewing, soil enhancement, culinary uses like tofu making, and even crafting applications. Packaged airtight for freshness, it delivers consistent quality to elevate your homebrew, garden health, and creative projects with ease.

Specifications

ASIN	B084D4JMDB
Best Sellers Rank	#161,769 in Grocery & Gourmet Food ( See Top 100 in Grocery & Gourmet Food ) #360 in Beer Brewing Ingredients
Brand	North Mountain Supply
Brand Name	North Mountain Supply
Customer Reviews	4.6 out of 5 stars 1,102 Reviews
Included Components	Gypsum
Item Form	Powder
Item Type Name	Gypsum
Item Weight	1.5 pounds
Manufacturer	North Mountain Supply
Model Number	GY-1.5lb
Number of Items	1
Part Number	GY-1.5lb
Specific Uses For Product	Soil Conditioning
UPC	810045260181
Unit Count	24 Ounce

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