Aldi cleans up in Which? washing-up liquid tests

The latest Which? washing-up liquid tests reveal Aldi as the winner for the first time on performance, just pipping Fairy Platinum on cleaning power.

We first tested washing up liquid in 1959 and this year we’ve put 13 washing- up liquids from supermarkets and major brands to the test and found:

  • Aldi’s Magnum Premium washing-up liquid performed the best, with a score of 89%. It was also great value for money at 79p for 500ml

  • Fairy Platinum was a close second, with a score of 88%, but was more expensive at £1.70 for 383ml

  • Aldi and Fairy washed a similar numbers of greasy plates per 100ml, but Aldi’s Magnum Premium washed nearly three times as many plates per £1 spent

  • Tesco’s Expert Naturally Powered washing-up liquid was the worst performing with a score of 37% and only washes 1,200 plates per 100ml. Aldi’s Magnum Premium, in comparison, washes 2,350 plates per 100ml

Which? editor, Richard Headland, said:

“We first tested washing up liquid 55 years ago, but the past few years seem to have been the most competitive with supermarket own labels giving the major brands a run for their money.”

Notes to editors

1. We tested 13 washing-up liquids from supermarkets and major brands.

 2. To test washing-up liquids, we pour 1.2kg of animal fat onto 742 plates and count how many are cleaned until the fat starts being redeposited on the plates. In our foam duration test, we smear 759 plates with foodstuffs, including beef tallow, margarine, lard and flour. We count the number of plates that each liquid cleans before the foam disappears.

 

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