Best Eco-Friendly Dishwasher Tablets UK 2026

#	Product	Pack	Price	Cost per use
1	Ecover Dishwasher Tablets 70 Tabs	70 tablets	£16.40	23.4p per tab	Check

Prices last checked: 19/05/2026

Eco-friendly dishwasher tablets skip phosphates, chlorine, and synthetic fragrances. Ecover is currently the strongest UK option on Amazon. Method Smarty was previously on the shortlist but has dropped off Amazon UK at the time of writing. The trade-off is real, they’re less aggressive on baked-on residue than Finish Quantum. But for everyday loads they work fine, and they’re the only safe option if you’re on a septic tank. We’ve also included where each falls short, because pretending they’re identical to the conventional brands would be dishonest.

Our top picks, in detail

Ecover Dishwasher Tablets 70 Tabs

★★★★☆ 4.0 £16.40 on Amazon UK 23.4p per tab S&S £14.76

Pros

• Plant-based, biodegradable
• Safe for septic tanks
• No phosphates, chlorine, or synthetic fragrance
• Fully water-soluble wrapper

Cons

• More expensive per tab than Sun
• Less effective on baked-on grease than Finish
• Smaller pack size

Check on Amazon UK Read full review

Ecover Dishwasher Tablets are the only eco-friendly tab we currently recommend on Amazon UK. They skip phosphates, chlorine, and synthetic fragrances, and the formula is septic-tank safe, which matters in rural UK households where municipal drainage isn’t an option.

The trade-off is real. On everyday loads they clean fine: plates, glasses, bowls, lightly-greasy frying pans all come out clean at 65°C. On burnt-on residue, baked-on lasagne edges, or filtered limescale they’re noticeably weaker than Finish Quantum. We recommend to pre-rinse or scrape heavy items first.

Method Smarty Tabs were the obvious alternative here but they’ve dropped off the major UK Amazon site. If they come back we’ll add them. Until then, Ecover is the answer for households that want a genuinely eco dishwasher tab.

What we’d buy

There’s only one product we’d actively recommend here right now, and it’s Ecover Dishwasher Tablets. The shortlist used to include Method Smarty, but those have dropped off Amazon UK and we won’t add them back to the list until that changes.

If your dishes regularly include heavy baked-on residue, Ecover will struggle on those loads. In that case the realistic approach is to mix usage: run Finish Quantum (one of the top picks in our best dishwasher tablets guide) for the dirty loads and Ecover for everything else. It’s not strictly eco but it cuts the phosphate and chlorine load substantially.

How we pick value

Cost per tab, same as the main dishwasher guide. Eco-friendly tabs typically run 1-3p more per tab than conventional equivalents; the figure below the comparison table tells you exactly how much more on Amazon UK today. We don’t accept brand payment.