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Wolf Den FoodsWolf Den FoodsSurvival Book
Index

E · MgSO4·7H2O

Epsom salt

low hazard

Also: magnesium sulfate

First aidGardenHygiene

A soak for tired feet and a magnesium source for some soils. As a laxative it is old-fashioned and easy to overdo — follow the USP label or skip it.

Shelf life
Indefinite
Container
Sealed; it is mildly hygroscopic
Grade
USP for soaks and any internal use

What it does

  • ▸Warm foot and body soaks
  • ▸Garden magnesium where a soil test says you need it (not a universal tonic)

Store

  • ▸Dry. Looks like salt; label it so no one cooks with it.

Hazards

  • ▸Oral use dehydrates. Not for kids, not in a water-scarce sickroom, not if you have kidney disease.
  • ▸Not table salt.

Never mix

No listed pairing among the den compounds.

In the field

Soak: warm water, handful in a basin, 15 minutes. Dry skin after. Not a treatment for infected wounds.

Source

Pharmacy USP bags. Garden-center bags may not be USP.