Finish Dishwashing Powder Concentrate. Finish Concentrate Dish Washing Powder can be used to wash your dishes and finish them with a shine. This powder can be used as an alternative to tablets in your dishwasher. It's twice as concentrated so you can achieve the same results using only half the powder. Remove food soils from your dishes and leave them shining with this dish washing powder. This powder can be used in any dishwasher. It's Phosphate-free for added peace of mind. Size: 1kg