Can ascorbic acid be substituted for citric acid when making a coffee machine descaling solution?

Can ascorbic acid be substituted for citric acid when making a coffee machine descaling solution?

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  1. Mr. Webster explained the chemistry side of the descaling process. Ascorbic acid and citric acid are chemically processed products and cost more. You can try wedges of lemons to do the trick. Vinegar also works.

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  2. In short: Vitamin C is ascorbic acid. … Citric acid is the “villain” behind the sour taste of lemons, and to a lesser extent, other citrus fruits. Chemically, the difference between ascorbic acid and citric acid is just one additional oxygen atom in citric acid. Citric acid is a stronger acid than ascorbic. Therefore, it allows less “margin for error” as smaller amounts compared to ascorbic acid produce similar pH changes.
    A 1.5% …

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