Spyke

Room temperature water? No washing powder? I'm not familiar with underarmour but it sounds like you're just rinsing it instead of washing it.

Fwiw I wash mine at 60°C, as it kills the bacteria.

2
lemmy.world

Washing powder is just dry laundry detergent.

Any detergent/soap should theoretically kill bacteria even using cold water. It destroys the cell membrane.

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Washing at 60° C is only really required for people with a compromised immune system or in a household with certain infectuous diseases, which may spread through clothing or other textiles. The bacteria on clothing are not usually pathogenic to the degree that a 60° C wash is necessary. For whites, bleaching is also an alternative.

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I don't see why washing powder would not be okay for synthetic fibres. The only possible issue I can think of is using washing powder for white textiles, which contains bleaching agents and other substances that would fade colors.

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If you use the same washing powder for your other clothes then it's probably safe for your athletic clothes as well.

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Washing athlethic wear | Spyke