how do i clean the permanent filter on my elite gourmet coffee maker? can it go in the dishwasher

Diagnosis

The permanent nylon mesh filter in the Elite Gourmet EHC-5055 is designed to trap coffee particulates while allowing oils and brewed coffee to pass through. Over time, these oils undergo oxidation and create a sticky, waterproof barrier known as "coffee film." This film traps microscopic grounds within the weave of the mesh, which significantly restricts water flow. When the water cannot drain efficiently, it pools in the brew basket, potentially causing the machine to overflow or "burp" hot water and grounds into the carafe. You can confirm a clogged filter by inspecting the mesh under a bright light; if the holes appear sealed or have a brownish, iridescent sheen, the filter is saturated with oils. Additionally, if you notice the brew cycle taking significantly longer than the standard 5-cup time or if the coffee tastes excessively bitter or "burnt," the filter is likely overdue for a deep clean. This buildup is not just a flavor issue but a performance bottleneck that puts unnecessary pressure on the heating element.

How to Fix It

While the filter is rated for the dishwasher, a manual deep-clean is more effective for removing stubborn oils. Follow these steps for a complete restoration:

1. Remove the filter basket from the EHC-5055 brew head. Carefully dump the used grounds into a compost bin or trash can, avoiding the sink to prevent plumbing clogs.
2. Rinse the filter under warm running water to remove the bulk of the loose grounds. Do not scrub the mesh with a brush yet, as this can push fine particles deeper into the nylon weave.
3. Fill a small basin with warm water and add two drops of a grease-cutting dish soap (like Dawn). Submerge the filter and let it soak for 15 to 20 minutes to break down the solidified oils.
4. Using a soft-bristled nylon brush or a clean sponge, gently scrub the mesh in a circular motion. Focus on the edges where the mesh meets the plastic frame, as this is where debris accumulates most.
5. Rinse the filter thoroughly under high-pressure cold water. Hold the filter upside down so the water pushes the remaining particles out of the mesh rather than deeper into it.
6. If using a dishwasher, place the filter on the top rack only. Use a mild detergent and avoid "high heat" or "sanitize" cycles, as extreme temperatures can warp the plastic frame or degrade the nylon mesh tension.
7. Allow the filter to air dry completely before reinserting it into the machine.

If That Didn't Work

If the filter still feels "slick" or water is not flowing freely, try these advanced cleaning methods:

• White Vinegar Soak: Mix a solution of one part white distilled vinegar and two parts warm water. Soak the filter for 30 minutes. The acetic acid breaks down mineral deposits and stubborn coffee resins that soap cannot touch. Rinse thoroughly with fresh water to remove the vinegar scent.
• Baking Soda Paste: Create a thick paste using baking soda and a small amount of water. Apply the paste to the mesh and let it sit for 10 minutes. The mild abrasive nature of the soda helps lift embedded oils without tearing the nylon.
• Oxygen-Based Cleaner: Use a diluted solution of sodium percarbonate (oxygen bleach). This is safer than chlorine bleach and is highly effective at removing the brown staining from the plastic housing and the mesh.
• Filter Replacement: If you see any fraying, holes, or tears in the nylon mesh, the filter is compromised. No amount of cleaning will fix a physical tear; you must replace the filter basket assembly to avoid getting grounds in your coffee.

Heads Up

• Avoid Abrasives: Never use steel wool or scouring pads on the mesh filter. This will create microscopic tears in the nylon, allowing grounds to leak into your carafe.
• Avoid Chlorine Bleach: Do not use concentrated chlorine bleach on the filter. It can weaken the plastic frame and leave a chemical taste that is nearly impossible to rinse out.
• Frequency: Perform a deep-clean soak once every two weeks even if you use the dishwasher daily, as dishwasher detergents often fail to remove the specific type of oils produced by dark roast coffee.
• Dry Storage: Always ensure the filter is bone-dry before assembling the machine for long-term storage to prevent mold growth within the brew basket.