Citric acid for the washing machine: 3 uses to achieve a perfect wash

April 14, 2023

We all have to do laundry and the continuous use of the washing machine means we have to maintain it properly. For this purpose, there are many products on the market, but we can also use some cheaper, as-effective DIY remedies.

One of the ingredients we can use to this end is citric acid. Capable of degreasing and combatting limescale, citric acid is often used as a key ingredient in a myriad of commercial household cleaning products (for example, it appears as ingredient E330 in Europe). Citric acid is a good substitute for vinegar (which, although of natural origin, pollutes more), and can be used in various ways to get excellent laundering results. Read on to find out more:

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For softer clothes:

Citric acid acts as a excellent softener, as it can eliminate the soap residue that accumulate between the fibers of fabrics when using alkaline detergents. When used for this, it is best to add the acid after the main wash, i.e. before the final rinse.

For a more concentrated formula, dilute 200 grams of citric acid in 800 ml of water. For a more delicate mixture (which is recommended), use 150 grams in a liter of water. In both cases, you can add a few drops of an essential oil too: lemon, lavender or mint go well with the natural smell of citric acid.

Combatting limescale:

In homes where the water is hard, adding citric acid occasionally during the wash is a way to eliminate limescale deposits. But be careful not to do this too often: as in the use of vinegar, you could ruin the rubber parts of the washing machine. If you prefer, you can do an empty wash once a month, using a glass of citric acid, divided between the drum and the detergent compartment and on a high-temperature cycle.

Pre-washing of stubborn stains:

When you notice stubborn stains on your clothes, and you want to make sure they are eliminated, pre-treat the clothes with citric acid, as follows:

Fill a bowl with hot water;
Add the citric acid: consider that 100 grams are needed for each liter of water used;
Immerse the clothes to be washed in the water;
Let the clothes soak for 12 hours (or until the stain fades away);
From time to time, agitate the clothes and try to gently rub out the stain
Rinse, wring out and wash the clothes as normal.