Soda crystals can be bought online or from local supermarkets.
Wilko Original Soda Crystals cost £1.50 for 1.5kg. Sainsbury’s sells Dri Pak Fine Soda Crystals for 80p.
Meanwhile, Dri-Pak Soda Crystals cost £1 from Savers for 1kg.
Other suggestions from Mrs Hinch fans include using a dishwasher tablet, to stop using powder or liquid detergent and to clean the U-bend.
Carol Penman Burden replied: “Dishwasher tablets on a hot cycle smells amazing and cleans at the same time.”
Vikki Pigott commented: “One or two dishwasher tablets in drum on a 60C or 90C wash.
“Always does the trick for me or the lemon Dettol machine stuff you can put through.”
Mizella Eldridge said: “On the advice of a repair man, I stopped using liquid and put powder straight into the drum, no problem at all since and that was years ago.”
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