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Index

B · compound

Bentonite clay

low hazard

Also: montmorillonite, swelling clay

First aidWaterHygiene

A swelling clay that makes poultices and can help fine sediment drop out of muddy water before you filter and disinfect.

Shelf life
Indefinite dry
Container
Sealed, dry. It will drink humidity from the air.
Grade
Food / cosmetic (calcium bentonite preferred for internal folklore uses — stick to external unless a clinician says otherwise)

What it does

  • ▸Drawing poultice for splinters and some insect bites (external)
  • ▸Settling aid for muddy water, followed by filtration and chlorine
  • ▸Simple facial or skin mask

Store

  • ▸Dry as dust. Once wet, use or discard.

Hazards

  • ▸Dust irritates lungs. Do not inhale the pour-cloud.
  • ▸Not a heavy-metal detox product. Do not eat industrial clays.

Never mix

No listed pairing among the den compounds.

Gear

Dust mask

In the field

Muddy wash water: stir in a spoon of clay, let sit until the top looks clearer, decant, then filter and disinfect. Clay is not a disinfectant.

Source

Cosmetic supplier. Confirm it is not industrial drilling mud.