page_title: Sponge (tool)
section_title: Harboring bacteria
hierarchical_section_title: Sponge (tool) / Harboring bacteria
caption_attribution_description: English: Bacteria from a kitchen sponge
context_page_description: A sponge is a tool or cleaning aid made of soft, porous material. Typically used for cleaning impervious surfaces, sponges are especially good at absorbing water and water-based solutions.
  Originally made from natural sea sponges, they are most commonly made from synthetic materials today.
context_section_description: Because it is primarily made of wood fiber, a cellulose sponge can be a medium for the growth of harmful bacteria or fungi, especially when it is allowed to remain wet between uses.
caption: Bacteria from a kitchen sponge
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