Item description for Duda Energy 5 Lb Sodium Sulfate Food Grade Anhydrous Naturally Mined 99+% Purity

99+% Pure, Crystalline/Granular, Anhydrous
Food Grade / Meets Specifications of Food Chemical Codex
Excellent Drying Agent and Electrolyte / Salt!
Made in the USA
Add water to make Glauber's Salt (Sodium Decahydrate)

Mined in the USA! Naturally occuring! Pure sodium sulfate anhydrous (no water) - Can be used to make Glauber's salt (A Decahydrate) by mixing with water at 56% water by weight and 44% Anhydrous Sodium Sulfate.