Rhubarb leaves contain oxalic acid, a poisonous substance, but it can be used as a mordant.
Difficulty Level:
Average
Time Required:
4 hours
Here’s How:
- Wear rubber gloves and protective clothing.
Rhubarb leaves contain oxalic acid, a poisonous substance, but it can be used as a mordant.
Difficulty Level:
Average
Time Required:
4 hours
Here’s How:
