Wilko Water Softening Laundry Powder costs £2.20.
Other suggestions from Mrs Hinch fans for cleaning oven racks included using baking soda, soda crystals, dishwasher tablets, Oven Pride and putting them on the lawn overnight.
June Adamson said: “If you want to be nature-friendly, start with a baking soda paste and steel wool where neeeded.”
Joelle Wadsworth replied: “Soda Crystal in hot water submerge over racks. Always did it for me.”
Pamela Anne suggested: “Put towel in bath, place them on, add dishwasher tablets, hot water and leave them to soak a while.”