Got a smelly sponge? Most of the time the cause is simple: the sponge never gets a chance to dry. A few easy care habits help, and the material your sponge is made of makes those habits easier to keep.
Why Sponges Start to Smell
Sponges stay damp between uses, and food residue gets trapped in the material. Dense plastic foam sponges hold moisture at their core and are slow to dry out, which is why they so often sit wet by the sink.
3 Simple Sponge Care Habits
1. Wring and air-dry after every use. Stand your sponge upright in a holder so air can reach all sides, rather than leaving it flat in a wet puddle.
2. Rinse with hot water and a drop of dish soap. This clears out trapped food residue before it builds up.
3. Choose a fast-drying material. This is where sponge material matters. Natural loofah sponges have an open, fibrous structure that dries faster than dense foam, with no synthetic coatings. Already own a loofah? See our guide on how to dry and care for a loofah.
When to Swap in a New Sponge
That part is up to you. Because Scrub & Throw sponges are 100% plant-based and compostable, you can retire the old one guilt-free and grab a new one — no plastic waste involved. Stock up with an everyday multi-pack so you always have a spare on hand.
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