Astonish Mould and Mildew spray can be found in some local supermarkets or can be bought online.
Astonish Mould & Mildew Blaster costs £1 from B&M for 750ml, 95p from Wilko and 99p from ASDA.
Other suggestions from Mrs Hinch fans included using a power washer, bleach, Cif mould remover, Barkeepers Friend and Kilrock mould cleaner.
Anne Obrien said: “Power washer it if you have one. It’s a build-up of shampoo and soaps.”
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