Comprehensive Guide for Cleaning and Maintaining Grease Traps in Restaurant Kitchens

As a grocery store owner, you understand the necessity of properly servicing the grease trap. While getting rid of the accumulation of fats, oils, and grease (FOG) is a difficult task, it is necessary and must be done regularly. Grease traps serve an vital function, preventing FOG from being washed down the drain. If FOG is washed down the drain, it can damage the plumbing and sewer systems and harm the natural environment. Commercial kitchens are required to have grease traps to stop this, and businesses may be subject to fines for violations.

The Process for Cleaning a Grease Trap

1. Find the Grease Trap

Grease traps are typically located within the establishment or outdoors. External grease traps can often be identified by their manhole covering or septic tank-like appearance. When indoor, grease traps are commonly located in the basement (directly below the kitchen), under the kitchen sink, or beneath a metal flash plate. Once you find the grease trap, identify its capacity. Knowing the size helps determine if you need expert equipment for cleaning or if it's small enough for in-house staff to clean. Grease traps between 500 to 2500 gallons require professional tools and experience, while smaller ones can typically be cleaned by trained restaurant personnel.

2. Work with Lukewarm Water

Using cold water helps fats, oils, and grease to float to the top. Allow at least minutes for the water from the dishwasher or sink to settle down before beginning. Carefully remove the grease trap cover with a crowbar. Be cautious, as the seal can be easily damaged. If the cover is bolted, you may need a wrench. Plastic lids are easier to handle, as they come off easily. After removing the cover, you'll likely encounter a thick layer of sludge. Use a scoop to remove the floating grease. Once the FOG is removed, remaining fluids and food particles will remain. A powerful shop vac is essential to vacuum these leftovers. Be sure the sinks and dishwashers are not in use to avoid the trap overflowing while you work.

3. Clean the Grease Trap

The next step is to clean the sides, baffles, and lid of the grease trap. A shop vacuum is necessary to remove any stubborn grease stuck in the corners. For a more complete clean, use a scrubber or steel wool, detergent, and tepid water. Properly scrub the interior and exterior, and clean the soap and debris out with fresh water. Once done, you should have a sparkling grease trap. Perform this cleaning as needed to keep it in good condition.

4. Inspect for Blockages

Once the trap is cleaned, it is essential to check the drain for blockages. Run a gallon of clean water from the kitchen sink to ensure the water flows smoothly without any resistance. If water doesn't drain properly, you may need to call a licensed plumber to clear the obstruction. Once the area is clear, put back the lid and baffle to secure the trap properly.

5. Safely Dispose of the FOG

Disposing of the collected fats, oils, and grease (FOG) should be done in a proper manner. For smaller amounts, use double-lined garbage bags to throw out the FOG in the nearest dumpster. A trick is to mix the FOG with kitty litter to solidify. For large quantities of grease trap sludge, it’s best to contact a grease trap service for proper disposal.

Grease Trap Cleaning by Weaver Plumbing Services

If you prefer professional help with your grease trap cleaning, trust the experts at Weaver Plumbing Services. We specialize in grease trap maintenance for all types of restaurants, including schools, hospitals, airports, and more. Our skilled technicians will perform comprehensive cleanings and repairs as needed, using the proper tools and techniques for hard-to-reach areas. We provide accurate reports to help you manage your cleaning schedule and ensure your business is in line with local grease trap regulations. At Weaver Plumbing Services, we ensure all grease trap waste is disposed of in accordance with state laws, keeping your business running smoothly and in compliance.

With over seven decades of service, Weaver Plumbing Services is ready to address any grease trap issues swiftly. Trust us for all your grease trap maintenance needs and maintain your business's operations with expert service.

Give us a call now at (888) 860-0649 to request a free in-home estimate.