Do Dishwashing Tablets remove tea stains?Updated 4 hours ago
TL;DR: Dishwashing Tabs are focused on food residue and grease, not tannin stains, and that's a deliberate formulation choice. Universal Cleaner already handles tannins beautifully, so we kept the tab formula pure. For tea-stained mugs, wipe first with Universal Cleaner, then dishwash with Dishwashing Tabs. The Universal Cleaner + Double Dish Tabs refill kit gives you both together.
Last reviewed: April 2026
Why don't Dishwashing Tabs remove tea stains?
✓ Focused formulas, better results
Tannins from tea and coffee cling tightly to ceramic and porcelain. Adding tannin-removing agents to a dishwasher tablet would dilute the ingredients that matter most for everyday wash performance. Instead, we packed Dishwashing Tabs with more of what actually cuts food residue and grease, and kept stain-lifting where it belongs: in Universal Cleaner.
How do I clean tea-stained mugs?
✓ Step 1. Lift the stain
Apply Universal Cleaner directly to the stained area inside the mug.
Wipe or gently scrub.
Rinse thoroughly with water.
✓ Step 2. Wash in the dishwasher
Place the mug in your dishwasher with a Dishwashing Tab and run a normal cycle. This makes sure the mug is spotless and safe to drink from.

Universal Cleaner + Double Dish Tabs
The guided solution for tannin-stained mugs and everyday dishwashing. One Universal Cleaner 2L box plus two packs of Dishwashing Tabs in a single refill kit.

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