Domakihub How to Clean a Colander and Keep It Spotless
Remove stuck food, rust stains, and buildup from any colander in minutes.
Reviewed by Domakihub cleaning pros · 2026-06-23 · 4 min read
A colander is one of the hardest kitchen tools to clean properly — food particles lodge in dozens of tiny holes and ordinary rinsing rarely gets them all out. The video above shows a fast visual walkthrough of the technique; the steps below break it down so you can do it every time without fuss. Whether you run a Greek holiday rental, a hotel kitchen, or just a busy family home, a clean colander means safer food and a longer-lasting tool.
Why Colanders Get So Dirty So Fast
The mesh of holes that makes a colander useful is exactly what makes it hard to clean. Starchy pasta water, tomato pulp, and olive residue cling to the inner rim of each hole and dry into a film that plain water cannot shift. Over time this builds into a greasy layer that harbours bacteria.
In Greece's hard-water regions — including much of Attica and the islands — mineral scale from tap water compounds the problem, leaving a white chalky deposit across the surface that dulls stainless steel and weakens plastic colanders if left untreated.
Choosing the Right Cleaning Method for Your Colander
Stainless steel colanders can handle baking soda pastes, mild acid soaks (white vinegar or lemon juice), and soft brushes without scratching. Plastic colanders need gentler treatment: avoid abrasive pads and prolonged acid soaks, which can warp or discolour them. Silicone colanders are the most forgiving and usually need only warm soapy water.
For holiday rentals and hotel kitchens where colanders see heavy daily use, a quick clean after every use combined with a weekly deep-clean keeps hygiene standards high and avoids the need for emergency scrubbing before inspections.
How to Clean a Colander: Step-by-Step
- 1
Rinse immediately after use
As soon as you finish draining, hold the colander under a strong stream of warm running water and rotate it so the jet hits every section. This removes loose food before it has a chance to dry and bond to the holes. Do this within a minute of use and the rest of the clean becomes much easier.
- 2
Tap out stubborn particles
Turn the colander upside down and give the base a firm tap against the inside of the sink. Most remaining particles will fall away. For fine-mesh colanders, use a soft-bristled brush — an old toothbrush or a dedicated bottle brush works perfectly — to dislodge anything still stuck in the holes from the outside while water runs through from the inside.
- 3
Scrub with baking soda paste
Mix two tablespoons of baking soda with enough washing-up liquid to form a thick paste. Apply it all over the colander with a sponge or brush, paying close attention to the rim, the base ring, and any seams where food collects. Leave the paste on for two to three minutes so it can lift grease and light staining, then scrub in circular motions.
- 4
Soak in white vinegar for mineral scale or rust spots
If you see white scale or orange rust spots, fill a basin or the sink with equal parts cold water and white vinegar (or substitute fresh lemon juice). Submerge the colander for 15 to 20 minutes. The mild acid dissolves mineral deposits and loosens rust without damaging the metal. After soaking, scrub with a soft brush, rinse thoroughly, and inspect — repeat if any spots remain.
- 5
Dry completely before storing
Water left sitting in the holes — especially in humid coastal climates common across Greece — encourages rust on steel colanders and mould around the rim of plastic ones. Shake out excess water, then set the colander upside down on a drying rack or prop it at an angle. For a quick finish, wipe it with a clean cloth and leave it in a well-ventilated spot or briefly in a warm (not hot) oven with the door ajar.
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FAQ
- Can I put my colander in the dishwasher?
- Most stainless steel colanders are dishwasher-safe, but the high heat and detergent can dull the finish over time. Plastic colanders marked 'dishwasher safe' can go on the top rack, but prolonged dishwasher cycles may warp them. Hand-washing with the baking soda method above is gentler and usually faster.
- How do I remove rust from a stainless steel colander?
- Make a paste of baking soda and a few drops of lemon juice, apply it directly to the rust spots, and leave it for 10 minutes. Scrub with a soft brush — never steel wool, which scratches and worsens rusting. For stubborn spots, a 20-minute soak in diluted white vinegar followed by a thorough rinse and immediate drying will remove most surface rust.
- How often should I deep-clean a colander?
- For home use, a proper scrub with baking soda paste once a week is enough, alongside a quick rinse after every use. In a holiday rental, hotel, or professional kitchen where the colander is used multiple times a day, do a full clean at the end of each service or at minimum every other day to keep it hygienic and inspection-ready.