eli5: dishwasher tablet dispensing

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how does this work? I put a little tablet in the dishwasher tablet section and close the little covering. Does this then open at some time during the wash? at what time? does the tablet then just randomly float around the interior?

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Anonymous 0 Comments

Most dishwashers’ default cycle have two washing stages: pre-wash and main wash. Pre-wash is a brief cycle meant to get the majority of loose soil off the dishes with minimal effort. The detergent cover is closed, so only pre-wash soap, if available, is used in this stage.

When the main cycle comes, the machine opens the detergent cup to allow the soap to fall into the water. For a tablet, every part of it, even the shiny casing, is water-soluble, so it will quickly dissolve as the water runs. Some dishwashers have a water-jet angled specifically to blast the detergent cup to get out any stuck bits of detergent.

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