potassium aluminium sulphate. One of the least toxic of the traditional chemicals used to fix many natural dyes. may cause irritation to sensitive skin, gloves should be worn when handling this substance, and eyes or skin washed thoroughly if comes into contact. Do not eat and keep away from children and pets.
5 grams of the mordant powder is enough to make 50ml of mordant solution, which is enough for several dye baths. The remaining solution can be stored for a long time.
