Grease Buildup in Sewer Line FAQs

Q: What is FOG?
A: FOG refers to “Fats, Oil and Grease” which can build up in your kitchen drain or garage. It is a result of food processes like preparation and cooking. It can also come from machine lubricants dumped into floor drains.

Q: Is it alright to pour grease on my house drains?
A: No, it is not recommended because it will cause grease buildup in your sewer line.

Q: Can I mix hot water with grease?
A: No. The practice of some people to mix grease with hot water is not recommended. Albeit this may not block your sewer line but it can result to a buildup in your lateral line..

Q: Where does grease in the sewer line come from?
A: Grease build up in the sewer line is caused by improper disposal of oil, fats and grease and can lead to sewer back up and worse, damage to the property if neglected.

Q: What food products have fats, oil, and grease?
A: These can come from food scraps, dairy products, meat fats, cooking oils, baked goods, lard, grain, marinades, sauces and shortening. If they pass through the garbage or sanitary disposal, they can add to the buildup.

Q: How will I dispose of used cooking oil?
A: To dispose of cooking oil, place it inside a plastic container with a cap and label to prepare it for garbage collection.

Q: What is a grease interceptor?
A: A grease interceptor, also known as a grease trap, is a device used by plumbers to collect grease and keep it from going down the drain. It should be installed by a licensed plumber.

Q: Is it okay to dump car oil on the sanitary drain system?
A: No. This is not advisable because it can lead to failure of the filtration system. If this happens, it needs to be cleaned and replaced, which can be very expensive.

Q: Can I dispose of grease in the shower or dishwasher instead?
A: No. Wastewater from toilets, kitchen sinks, dishwashers and showers is connected to your sewer pipe. If wastewater has grease on it, it will still go to the sewer line and can result to buildup.

Q: How can grease lead to sewer blockage?
A: Grease, along with oil, fat and grit can result to buildup as it solidifies after being poured into the drain. Overtime, the buildup sticks to the sewer line and can restrict the flow of wastewater.

Q: What types of problems can result if grease blocks the sewer line?
A: If grease gets into your sewer system, septic sewage can backup into your home and can cause standing water and slow water draining.

Q: Are there ways to remove grease in my drain I can do myself?
A: Yes. You can use baking soda and pour it in your day once a month. It is slightly caustic and effective to remove grease buildup in your drain. You can also add white vinegar to the baking soda to make it more effective. Washing soda can also be used. Just pour a cup of washing soda and let it sit for an hour.

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