How to Clean a Dishwasher Filter (NZ Homes): Step-by-Step
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- How to Clean a Dishwasher Filter (NZ Homes): Step-by-Step
A clogged filter is the number one reason dishes come out cloudy, gritty or smelling off. Here’s how to clean yours properly, and how often.
Pull out the bottom rack, then twist the cylindrical filter counter-clockwise and lift it out. Rinse it under warm running water, then soak it for 10-15 minutes in warm water with a splash of concentrated enzyme cleaner to break down trapped grease and food residue. Scrub gently with a soft brush, rinse, and click it back into place.
Clean your dishwasher filter every 2-4 weeks for an average NZ household, or weekly if you run it daily or rarely scrape plates first. A filter clogged with food debris is the most common reason dishes come out gritty, cloudy, or with a lingering smell.
Auckland’s busier kitchens — bigger households, more takeaway containers going through the wash — tend to clog a filter faster than the generic once-a-month guidance in the manual suggests. If you’re noticing cloudy glasses or bits of food redepositing onto clean dishes, that’s usually the filter asking for attention rather than a sign you need a new machine.
A musty or food-waste smell when you open the door, cloudy glasses or a gritty film on “clean” dishes, food debris visibly caught in the filter basket, and dishes that need re-washing after a full cycle are the clearest signs the dishwasher filter needs cleaning now.
The filter is the last line of defence between food scraps and the pump and spray arms. A clogged filter means dirty water recirculates instead of draining, redepositing residue onto everything in the load, so a five-minute clean every few weeks protects the pump and keeps dishes actually clean.
The filter is the last line of defence between your dinner scraps and the machine’s pump and spray arms. When it’s clogged, dirty water just recirculates instead of draining away properly, so it gets redeposited onto everything else in the load — including the glasses you thought were clean.
In a lot of the North Shore homes we clean, the dishwasher filter is the most overlooked part of the whole kitchen — plenty of people don’t realise it’s removable at all. A five-minute clean every few weeks protects the pump from unnecessary wear and is far cheaper than a call-out repair.
Most modern dishwashers have a manual filter you can pull out and clean by hand. Some older or higher-end models use a self-cleaning filter instead, which doesn’t need regular attention. Check your manual, or look for a cylindrical piece at the base of the tub near the spray arm.
No — running it through a normal cycle won’t clear trapped grease and can actually bake food residue further into the mesh. Hand-cleaning it under running water with a soft brush and a short soak is far more effective.
Check the door seal and the underside of the spray arms too, since food and grease build up there as well. Running an empty hot cycle with a concentrated enzyme cleaner once a month helps keep the whole interior fresh, not just the filter.
Dishes come out increasingly cloudy or gritty, the machine can start to smell, and eventually a badly clogged filter puts extra strain on the pump, which can shorten the appliance’s lifespan.
A small amount of water around the filter between cycles is normal. Consistent pooling at the bottom of the tub usually means the filter is clogged and blocking proper drainage, so clean it before running another load.
Clean your dishwasher filter every 2-4 weeks: pull it, rinse it, give it a short soak in warm water with a splash of enzyme cleaner, and scrub gently. It takes about five minutes and is one of the easiest ways to keep dishes properly clean and your machine running well.
Stephanie founded Clean for Good to bring a healthier, more thoughtful approach to home cleaning on Auckland’s North Shore, using low-tox, effective methods and a team that treats every home like their own.
Every home is different, which is why every quote starts with a complimentary home visit. We’ll get to know your home, understand what matters most to you, and create a tailored cleaning plan that fits your family.
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