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Do I need rinse aid with Dishwashing Tablets?Updated 2 days ago

TL;DR: Dishwashing Tabs are designed to clean effectively on their own, but rinse aid can still help if you're noticing water spots, cloudy glassware, or poor drying.

Last reviewed: April 2026

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Koh Dishwashing Tabs before and after

Do I need rinse aid?

✓ Not required, but can help

Dishwashing Tabs are formulated to work without rinse aid. However, some dishwashers and water types benefit from it. If your dishes are coming out with water marks, cloudy glassware, or not drying well, adding rinse aid can improve results.

⚠ When rinse aid helps most

Hard water areas where mineral-rich water leaves deposits. Dishwashers that struggle with drying. Loads with lots of plastic items, which hold water droplets more than glass or ceramic.

Hard water Drying issues Water spots Plastic items

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