
Proven Dehydrator Accessories and Attachments Cleaning Tips
Overview
Cleaning dehydrator accessories and attachments takes way more time than wiping down the actual machine. I've spent years dehydrating everything from summer garden tomatoes to winter beef jerky, and the sticky residue left on mesh screens and fruit leather trays is no joke. This guide covers my exact methods for tackling baked-on sugars, stubborn meat fibers, and oily spice rubs. You'll learn how to handle specific parts like Excalibur mesh inserts and COSORI silicone mats without ruining them. I'll share the soaking times, scrubbing tools, and storage tricks that keep my gear in perfect shape for the next batch.
Key Information
Let's talk about the specific parts you're actually dealing with. Every dehydrator brand designs their accessories a bit differently, which changes how you clean them.
Mesh Screens and Inserts
Most standard dehydrators, like the classic Nesco Gardenmaster, use rigid plastic mesh screens. These are notorious for trapping tiny bits of food. If you're drying herbs or making fruit roll-ups, those little plastic squares become a nightmare. I've found that flexible silicone mats, like the ones made for the Excalibur 3926TB, are much easier to wipe down. However, silicone holds onto oils from spicy jerky marinades. You'll need a degreaser for those.
Fruit Leather Trays
These solid plastic or silicone sheets catch pureed fruit. Sugars bake onto them at 135°F for 8 hours. By the time you pull them out, that strawberry puree is basically cement. I always use a dedicated plastic scraper for these. Metal utensils will gouge the plastic, creating tiny grooves where bacteria love to hide.
Drip Trays and Bottom Pans
The bottom of your machine catches all the drips. When I make teriyaki jerky, the soy sauce and brown sugar drip down and caramelize on the heating element cover. This isn't just a cleaning issue. It's a fire hazard if left unchecked.
Fan Guards and Heating Element Covers
The back wall of your dehydrator houses the fan and heating element. Most models, including the Excalibur, have a removable metal or plastic guard. Dust, pet hair, and fine herb particles get sucked against this grate over time. If you have dogs that shed like crazy, this guard gets clogged fast. I remove mine every six months to vacuum it out. You can't wash the actual heating element, so keeping this guard clean is critical for fire safety and proper air circulation.
Jerky Guns and Nozzles
Accessories like the Weston Brands 33-0901-W Jerky Gun have metal nozzles and rubber O-rings. Meat particles get jammed inside the narrow tubes. You can't just rinse these. You need specialized brushes to get inside the 1-inch diameter nozzles.
Let's look at how different materials handle heavy-duty cleaning.
| Material | Common Accessories | Max Soak Temp | Best Cleaning Tool |
|---|---|---|---|
| Rigid Plastic | Nesco mesh screens, drip trays | 120°F | Soft-bristle dish brush |
| Food-Grade Silicone | Excalibur mats, COSORI liners | 180°F | Microfiber cloth, sponge |
| Stainless Steel | Jerky gun nozzles, metal racks | Boiling (212°F) | Pipe cleaners, nylon brush |
Practical Steps or Recommendations
Here is my exact routine. I've tested this on my own Excalibur and COSORI units after hosting a massive weekend prep session.
1. The 30-Minute Hot Soak
Don't scrub dry food. It's a waste of energy. Fill your kitchen sink or a large plastic storage bin with water heated to exactly 120°F. Add two tablespoons of a heavy-duty degreasing dish soap, like Dawn Platinum. Submerge your mesh screens and fruit leather trays. Let them sit for 30 minutes. The hot water softens the baked-on fruit sugars and jerky marinades. If you're dealing with silicone mats that smell like old onions, add half a cup of white vinegar to the soak.
2. Targeted Scrubbing for Mesh
After soaking, the rigid plastic screens still need some work. I use a soft-bristle dish brush, specifically the OXO Good Grips model. Scrub in a circular motion. Pay close attention to the corners where the plastic frame meets the mesh. For stubborn bits, a wooden toothpick works wonders to poke debris out of the tiny 2mm holes. Never use steel wool. It leaves behind microscopic metal splinters that will end up in your next batch of apple chips.
3. Flushing Jerky Gun Attachments
Meat accessories require immediate attention. Right after I finish grinding and shooting the meat, I disassemble the Weston jerky gun. I run boiling water through the stainless steel nozzles. Then, I use a narrow bottle brush to scrub the inside of the cylinder. The rubber O-rings need a quick wipe with a damp cloth. Don't soak the O-rings in hot soapy water, or they'll stretch out and lose their seal.
4. The Air-Dry Rack Method
Moisture is the enemy of stored dehydrator parts. I don't just towel-dry my accessories. I set up a collapsible mesh drying tent on my patio or kitchen counter. I stand the trays vertically against a wall or rack. This allows air to circulate through the mesh holes. It takes about 45 minutes for them to dry completely. If you stack them while they're damp, you'll grow mold in the dark, enclosed spaces between the trays.
5. Sanitizing with Food-Grade Hydrogen Peroxide
Sometimes soap and water just don't cut it, especially after drying raw meat. I keep a spray bottle of 3% food-grade hydrogen peroxide under my sink. After washing and rinsing my jerky racks, I spray them down generously. Let it bubble and sit for exactly 10 minutes. This kills any lingering salmonella or e. coli without leaving a chemical taste. Rinse with hot water afterward, and your racks are completely safe for the next batch of venison or beef.
6. Proper Storage to Prevent Warping
Plastic warps if you store it under heavy pots and pans. I keep my clean dehydrator accessories and attachments in a dedicated plastic bin. I stack them flat with a sheet of parchment paper between each tray. This prevents them from sticking together and keeps dust off. The bin costs about $15-25 at any big box store, and it saves your expensive gear from getting crushed.
Common Mistakes
I'll be honest, I ruined a few trays before I figured this out. Avoid these traps.
Using the Dishwasher on High Heat
Many plastic mesh screens claim to be top-rack dishwasher safe. That's technically true, but the drying cycle on most dishwashers hits 160°F or higher. I've watched Nesco plastic trays warp and bend under that heat. Once they warp, they don't sit flat in the dehydrator. This blocks airflow and ruins your drying times. Always hand wash the rigid plastic parts.
Ignoring the Machine's Interior Walls
People obsess over the removable accessories and forget the actual box. When you pull out the trays, look at the interior walls. Splatters from fruit purees and meat juices bake onto the sides. I wipe down the interior of my COSORI with a damp microfiber cloth and a 50/50 mix of water and rubbing alcohol. This sanitizes the surface without leaving a soapy residue that could taint your next batch.
Scraping Silicone with Metal
Silicone mats are tough, but they aren't invincible. If you use a metal spatula to peel off dried fruit leather, you'll slice the mat. Even a tiny cut will tear completely in half the next time you flex it to pop the food off. Stick to plastic or silicone scrapers. They cost less than $5 and will save your $20 silicone mats from the trash can.
Using Abrasive Sponges on Non-Stick Coatings
Some premium dehydrator accessories feature a non-stick coating to help fruit leather release easily. Using the rough green side of a standard kitchen sponge will strip that coating right off. Once the non-stick layer is scratched, your food will bond to the plastic permanently. I only use the soft yellow sponge side or a dedicated microfiber cloth for these specific trays. It takes a little more soaking time, but it preserves the lifespan of your expensive gear.
FAQ
Can I use baking soda to clean sticky fruit leather trays?
Yes, baking soda is fantastic for breaking down acidic fruit sugars without scratching the plastic. I make a thick paste using three parts baking soda to one part water and smear it over the sticky spots. Let it sit for 15 minutes before wiping it away with a warm, damp sponge. It easily lifts the residue and neutralizes any lingering odors from strong fruits like mangoes or pineapples.
How often should I deep clean my dehydrator mesh screens?
You should do a quick rinse and wipe after every single use to prevent immediate buildup. However, a full deep soak and scrub is only necessary after every third or fourth batch, depending on what you're drying. If you are making messy items like marinated jerky or sticky fruit roll-ups, deep clean them immediately. Drying herbs or plain vegetables usually allows you to skip the heavy scrubbing for a few rounds.
Is it safe to use bleach on white plastic dehydrator trays?
I strongly advise against using bleach on any plastic parts that touch your food. The porous nature of food-grade plastics can absorb the harsh chemicals, which then leach into your food during the high-heat drying process. If your white trays are stained from tomatoes or berries, soak them in a mixture of warm water and oxygen-based bleach like OxiClean instead. It removes the stains safely without leaving toxic residues behind.
Why do my silicone mats still smell like garlic after washing?
Silicone is notorious for holding onto the volatile oils found in garlic, onions, and strong spices. To strip those odors out, bake the clean, empty silicone mats in your regular oven at 300°F for about 20 minutes. The heat opens the pores of the silicone and bakes off the trapped odor molecules. Just make sure you let them cool completely before washing them one last time with plain dish soap.









