Persil Washing Powder Scoop & Dosing Ball - Persil
The two larger compartments are for detergent - one may be marked ‘(I)’ which is for pre-wash detergent (use 100ml of powdered detergent) and one may be marked ‘(II)’ which is for main wash detergent (use between 200ml and 300ml depending on dirt level). Just follow the directions on the label of your washing powder …