It's no news that Brits love tea, but it is the brown stains a brew leaves behind that can be a nuisance.
The tannic acid is what gives the beloved beverage its dark, brown colour and is a strong dye that is potent enough to leave marks on your favourite mug. Luckily, Mrs Hinch fans have revealed the ultimate hack for banishing tea stains and it costs just nine pence a go.
Followers of the cleaning guru have come to the rescue once again, posting the tip to the Mrs Hinch cleaning tips Facebook page after one member asked: "Does anyone have any suggestions on how to clean the tea stains from the inside of my flask please?
