Wash and apply fiber etch
- Weigh the soap
Calculate 1% of the fabric weight.
- Dissolve the soap
Use dishwashing liquid only. We recommend Biovert (pH neutral soap).
- Add the fabric
Make sure the fabric is not bunched up.
- Soak one hour
- Measure alum
Use the provided alum. No need to measure :)
- Dissolve alum
- Soak the fabric
- Heat the water to 90 °C
- Cook for one hour, stirring regularly
Make sure the temperature remains at 90 °C.