KitchenEasySafety: Moderate Risk
Coffee & Tea Wash
Two of the easiest, most accessible inks in any kitchen.
Color
Sepia, warm brown
Yield
Varies
Shelf life
1 week refrigerated
Brew coffee or tea ten times stronger than you'd drink it, then reduce it on the stove.
- ▸The longer you simmer, the darker and more glossy it gets.
- ▸Tea makes warm orange-browns; coffee makes earthier browns.
- ▸Easiest possible ink — already in your kitchen.
Steps
- 01
Brew coffee or tea as concentrated as possible.
- 02
Reduce on low heat until syrupy.
- 03
Add a pinch of salt and (optionally) gum arabic.
- 04
Cool before bottling.
Materials3
- — Strong espresso or instant coffee, or steeped black tea
- — Pinch of salt
- — Optional: gum arabic for body
Safety
Involves dust, mild chemistry, sharp tools, or solvents. Use PPE and ventilate.
Hazards identified
- Airborne dust — respiratory irritant
Quick checklist
- ☐Wear an N95 / FFP2 mask when handling dry powders
- ☐Mix in a tray to contain dust; wipe surfaces wet
- ☐Work in a ventilated area; keep food and drink out of the studio
- ☐Read each material's safety data sheet (SDS) before starting
- ☐Have water, soap, and a first-aid kit accessible
Heuristic guidance derived from listed materials. Always consult each material's safety data sheet (SDS) and a qualified instructor before attempting.
Notes
Perfect for aging paper or sketching. Layer multiple coats for darker tones.