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How long do Dish Sponges last?Updated 6 days ago

TL;DR: Dish Sponges are made from wood pulp cellulose and cotton, and typically last up to 5 weeks with normal use. If you use a sponge daily, plan to replace it roughly every 1 to 2 months.


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Koh Dish Sponges
Koh Dish Sponges technical view

What's the typical lifespan?

Dish Sponges are made from wood pulp cellulose and cotton, biodegradable by design. In real-world use most people get the best performance for up to 5 weeks. For households where a single sponge is used every day, a practical guideline is to replace it every 1 to 2 months. Replace sooner if it smells, crumbles, or loses absorbency.

✓ Best performance

Cellulose sponges are absorbent but biodegradable. In real-world use most people find they get the best performance for up to 5 weeks.

Up to 5 weeks Normal use

✓ Daily use guideline

For households where a single sponge is used every day, a practical guideline is to replace it every 1 to 2 months. A 6-pack typically covers about a year for daily users.

Replace every 1 to 2 months 6-pack lasts ~1 year

What shortens or extends their life?

Trapped moisture, very heavy or abrasive scrubbing, and frequent exposure to strong chemicals wear cellulose fibres faster. To extend lifespan, rinse and squeeze after each use, air-dry between uses, and skip strong bleaches in favour of gentle detergents. Don't twist tightly when wringing as this breaks fibres prematurely.

⚠ Wears them down

Trapped moisture between uses, very heavy or abrasive scrubbing, and frequent exposure to strong chemicals wear the fibres faster and mean you'll need to replace the sponge sooner.

Trapped moisture Heavy scrubbing Harsh chemicals

✓ Extends the life

A quick post-use routine goes a long way. Rinse, squeeze (don't twist tightly), and air dry between uses. Keep strong bleaches out of the rotation and reach for gentle detergents instead.

Rinse and squeeze after use Air dry between uses Skip strong bleaches

Koh Dishwashing Liquid

For everyday dishes

Pair Dish Sponges with Dishwashing Liquid. Tough on grease, gentle on dishes.

Koh Dish Starter Kit

New at Koh?

Dish Starter Kit pairs Dishwashing Liquid with Dish Sponges and everything else you need to get started.

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Earn points on every purchase, refer a friend, and redeem for discounts on your next order. Find all the ways to save in one place.

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Last reviewed: May 2026


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