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 Food Grade Calcium Sulfate (Gypsum) (1.5 Pounds)

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

Product ID: 727826487

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Details

Brand
North Mountain
Item Form
Granule
Number of Items
1
Item Volume
5 Gallons
Item Weight
680 g
Manufacturer
North Mountain

🌱Enhances soil calcium & sulfur

🍺Optimizes brewing clarity & flavor

⚗️Boosts water hardness & acidity

Description

⚡ Elevate your craft from soil to sip with North Mountain’s pure gypsum power!

FRESHNESS SEALED - Tamper-evident airtight jar guarantees premium quality and long-lasting freshness.
GARDEN POWERHOUSE - Elevate soil health by increasing calcium and sulfur, improving water retention and combating blossom end rot.
MULTI USE CRAFT MATERIAL - Ideal for DIY plaster, molds, and casts—unleash your creative side with a trusted ingredient.
PRECISION BREWING ENHANCER - Add 1 tsp per 5 gallons to perfect water hardness and protein clarity for craft-level brews.
VERSATILE CULINARY ESSENTIAL - Traditionally used in tofu making, pickling, and wine clarity for that artisanal touch.

North Mountain Supply Food Grade Calcium Sulfate (Gypsum) is a 1.5-pound jar of premium, airtight-sealed gypsum sourced from the USA. Perfect for enhancing brewing water hardness and acidity, improving soil calcium and sulfur levels, and used traditionally in tofu, pickling, and wine making. Also versatile for garden health and creative plaster projects.

Specifications

Manufacturer	North Mountain Supply
Country of Origin	USA
Item model number	GY-1.5lb
Package Dimensions	17.02 x 9.14 x 8.89 cm; 680.39 g
ASIN	B084D4JMDB

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