Dishwasher Deep Cleaning: Truly Clean Dishes

Under the bottom rack of your dishwasher sits a removable filter most owners have never seen. Left alone, it fills with trapped food, grease and soap scum — a warm, wet buffet where bacteria and mold form a biofilm the machine then sprays around the cabinet. Onto your dishes. The ones you eat off.

A dishwasher filter on first removal — grease film, trapped food and the start of a biofilm colony.

What researchers found

Studies of household dishwashers have repeatedly found fungal growth — including black yeasts adapted to survive heat, moisture and detergent — living in door seals and drain areas. A dishwasher's rubber seal is one of the most microbially active spots in a kitchen. Not a reason to panic; a reason to clean the machine that cleans your plates.

Signs yours needs attention

• A sour or swampy smell when you open the door

• Dishes come out gritty, filmy or with food specks

• Cloudy glasses

• Water pooling at the bottom after a cycle

• Visible gunk on the door seal

What Bobbi does

• Filter deep clean — removed, degreased and scrubbed, not just rinsed.

• Spray arm service — clearing clogged jets so water actually reaches your dishes.

• Seal & gasket treatment — the folds where mold takes hold, cleaned and sanitized.

• Drain & interior degrease — removing the film that feeds the whole problem.

Do it yourself

See where the filter is and how to clean it:

▶ Watch on YouTube: How to clean your dishwasher filter

The hard-water factor in LA

Los Angeles has notably hard water, and dishwashers feel it: mineral scale builds on the heating element and jets, mixes with grease into a stubborn film, and gives glasses that permanent cloudy look. Hard-water buildup also gives biofilm more texture to anchor onto — so LA machines generally need deep cleaning more often than the manual suggests.

Common questions

Can I just get my dishwasher cleaned with Bobbi?

No — Bobbi isn't an à la carte service, and that's on purpose. We clean all seven of the utilities that impact your health — AC filters & vents, washing machine, dryer, dishwasher, mattress, air purifier and garbage disposal — as one package, every visit. Your dishwasher shares plumbing and smells with the garbage disposal a foot away — we always clean them together, plus the rest of the seven. We're a health-first home wellness service, not a one-off dishwasher cleaning company — and cleaning everything together is what makes your air-quality report actually mean something.

How often should the dishwasher filter be cleaned?

Monthly rinsing is the manufacturer ideal almost nobody does; a professional deep clean every few months keeps the filter, spray arms and seals genuinely clean. If there's any odor when you open the door, it's overdue.

Why do my glasses come out cloudy?

Usually a mix of LA's hard-water minerals and redeposited grease from a dirty filter and jets. A deep clean plus the right detergent dose typically clears it — if not, we'll tell you what's actually going on.

Is dishwasher cleaning part of Bobbi's deep clean?

Yes — filter, spray arms, seals and interior degrease, together with the garbage disposal next to it. Plans from $295/month.

Are the products you use food-safe?

Yes — everything used inside the dishwasher, on the seals and around the sink area is safe for food-contact surfaces. That's non-negotiable for us: making your kitchen healthier can't involve leaving harsh chemical residue where your dishes live.

Or let Bobbi handle it — and prove it worked

Bobbi isn't a traditional cleaning company. We only clean the seven things in your home that impact your health — and every visit ends with a before-and-after air quality report, so you see the difference in real numbers, not promises. Dishwasher deep cleaning is part of every Bobbi visit, alongside the garbage disposal a foot away.

Serving Studio City, Sherman Oaks, Toluca Lake, Santa Monica, Brentwood, Culver City and all of Los Angeles. Plans from $295/month; one-time deep cleans available. See pricing, book a visit, or call (818) 860-7044.