What a grease clog is

A grease clog is not a single blob. It is a layered deposit that builds on the inside of the pipe over months. Fat leaves the pan hot and liquid. A few feet along the pipe it cools and sticks to the wall. Soap, starch, coffee grounds and small food particles stick to it. Each cooking session adds a thin layer, and the opening gets smaller.

For a long time nothing seems wrong. Water still drains, just a little slower. Then a heavy meal adds enough to close the gap, and the line stops.

Why it is a bigger issue in Florida

Florida has an unusually high share of condominiums, and a condo kitchen stack collects fat from every unit on it. Dozens of kitchens share one pipe. Holiday cooking, gatherings and seasonal residents add peaks of use. Tourist-area homes and rental properties see heavy kitchen use in short bursts.

Many older Florida houses also have long horizontal kitchen runs under the slab, with little fall, in pipe that may be rough inside. Both conditions favor grease.

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Signs of a grease clog

  • Sink drains slowly, then slower over weeks.
  • Gurgling after the water leaves.
  • A rancid smell near the sink that returns after cleaning.
  • Dishwasher leaves water in the bottom.
  • Neighbors in a condo report the same.

What does not work

Hot water and dish soap feel like a fix. They melt the fat for a moment and push it further along the pipe, where it cools and sets again, usually in a spot you cannot reach. Harsh products rarely reach a deep grease deposit and can be unpleasant for the technician. A plunger moves the blockage but rarely removes the layer on the walls. And grease does not respond to a cable alone, because a cable opens a hole through it and leaves the wall coating behind.

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Why jetting is the usual answer

Hydro jetting uses high-pressure water from a nozzle that travels along the pipe, scouring the walls and carrying the deposit out. For grease it is the most thorough method, because it cleans the full circumference, not just a channel. The technician matches pressure and nozzle to the pipe, and with old cast iron looks first. A camera before or after shows the result. See hydro jetting.

In condos and shared lines

A grease clog in a shared stack affects other units. The technician works with management on access and on when to pause water use. After clearing, the building may consider whether scheduled jetting of kitchen stacks makes sense, which is a decision for the building. See condo kitchen stack clogs.

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See the grease before and after.

Habits that reduce the load

  • Wipe pans and plates with a paper towel before washing.
  • Pour cooled fat into a can or jar and bin it.
  • Use a strainer to catch solids.
  • Do not pour coffee grounds, rice or pasta water down the sink.
  • Run cold water with a disposal.

None of this guarantees a clog will not return, but it makes a real difference over time.

Restaurants and commercial kitchens

Commercial kitchens produce far more grease, and have their own lines and equipment. This page is about home and condo kitchens. For restaurants, see the commercial drain service, which is covered separately.

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Price first, then the work.

What affects the cost

A trap clearing is the least. A long line, a shared stack, jetting and a camera add to it. Price is given before work begins.

When the clog is not only grease

Grease is the usual suspect, but not the only one. A kitchen line can also carry roots in a slab home with older pipe, scale in cast iron, a low spot where water pools, or a failed joint letting sand in. If the problem returns soon after jetting, a camera shows which of these is at work. See repeat drain clogs.

The camera also shows how much grease is left after cleaning. It is a good check on the work, and a good guide to how often the line may need attention.

Holiday cooking and seasonal peaks

Thanksgiving, Christmas and large family gatherings produce more fat and more dishes than usual. In condos and rentals, many kitchens do the same at once. Backups are common in the days after. If a building or home expects a heavy week, rinsing pans with a paper towel first, and keeping fat out of the sink, lowers the chance. If you manage a rental, an earlier check can help.

What to expect from a jetting visit

The technician finds access, usually a cleanout, a stack opening or the sink itself, and runs a jetting hose with a nozzle along the line. The pressure and nozzle suit the pipe. Debris and water carry out through the cleanout or down the line. The technician may then run a camera to see the result.

Jetting can be noisy and wet at the access point, so expect the technician to protect the area. They tell you what they found and what to expect.

How pipe material changes the picture

Grease behaves differently depending on what it sticks to. Smooth PVC lets a deposit form in layers but releases to jetting readily. Cast iron, common in older Florida kitchens and condo stacks, has a rough, scaled interior that grabs fat more firmly, so deposits build faster and are harder to remove completely. Galvanized steel behaves similarly. Where the material is unknown, a camera shows it.

This is why two kitchens with the same habits can have very different clog histories, and why a newer unit and an older one on the same stack can differ.

After the line is cleared

Ask what the technician saw. Was it a thick, waxy layer or a soft slurry? How far along the line? Did anything look damaged? If the answer is heavy, repeated buildup, discuss a check schedule. If it was a one-off, there may be nothing more to do than keep fat out of the sink.

In a building, share what was found with management so neighbors on the same stack can be considered, and so the building can decide on regular maintenance if it wants.

Common myths

  • Dish soap dissolves grease in pipes. It emulsifies it briefly. The fat can still set further down.
  • Hot water clears it. It moves it along, often to a worse spot.
  • A disposal handles it. A disposal chops food. It does not remove fat.
  • Once cleared, it is gone. Grease returns with use.

Three typical grease calls

The Thanksgiving week. A home hosts twenty and the sink backs up the next day. A layer of fat in the horizontal run is jetted out. The condo. Three units on one stack have slow kitchens, and the stack is jetted from the base. The cafe. A small cafe backs up every month. Fat and milk residue build in the building line.

Teaching a household in two minutes

The whole routine fits in a breath: wipe the pan, bin the fat, strain the sink. Post it on the cabinet door if it helps. The first week feels fussy. The second week it is a habit. Over months, it removes most of the load a kitchen line carries.

Common questions

Why does grease clog drains for kitchen grease clogs?

It cools and sticks to the pipe wall, trapping food and soap. Each cooking session adds a layer until the pipe is nearly closed. That is why a kitchen can seem fine one day and block the next. Wiping pans, binning cooled fat and using a strainer reduce what reaches the pipe, though no habit promises the line will never slow again.

Does hot water melt grease clogs?

Briefly. It then cools further along the pipe and sets again, often out of reach. Hot water might move a thin film, but it does not remove a built-up deposit. Wiping pans, binning cooled fat and using a strainer reduce what reaches the pipe, though no habit promises the line will never slow again.

Is jetting better than snaking for grease?

Usually. Jetting cleans the walls. A cable opens a hole through the clog and leaves the coating behind, so the line narrows again. Many visits use the cable first and then a jetter. Wiping pans, binning cooled fat and using a strainer reduce what reaches the pipe, though no habit promises the line will never slow again.

Can grease clog a condo stack?

Yes. Fat from many kitchens coats a shared stack. It is a leading cause of condo backups, and a busy mealtime can be what finally closes it. Tell management and the technician together. Mention the floor and which neighbors are affected, and contact your association or management at the same time so building access can be arranged.

Will a drain cleaner fix grease?

The technician does not recommend them. They seldom reach a deep deposit, they can sit in the trap, and they are unpleasant for the technician who opens the line afterwards. Wiping pans, binning cooled fat and using a strainer reduce what reaches the pipe, though no habit promises the line will never slow again.

Is it safe to put grease down the disposal?

No. A disposal does not remove fat, it only chops it. The fat still cools and sticks in the pipe, so pour cooled grease into a can and bin it instead. Wiping pans, binning cooled fat and using a strainer reduce what reaches the pipe, though no habit promises the line will never slow again.

How often should I jet a kitchen line?

There is no fixed rule. Some buildings schedule it, some homes never need it. The technician can advise after looking at the line and at how fast it fills back up. Wiping pans, binning cooled fat and using a strainer reduce what reaches the pipe, though no habit promises the line will never slow again.

Can the clog come back?

Yes. Grease builds up again with use. Habits such as wiping pans and binning cooled fat help, and occasional cleaning keeps the line open, though nobody can promise it will not return. If more than one fixture is affected, or it has happened before, say so on the call. It helps the technician decide where to start and which tools to bring.

Do you handle restaurant grease?

Commercial kitchens are covered by our restaurant and commercial drain cleaning service. Tell us on the call that it is a business, and we connect you with a crew that works in commercial kitchens. Wiping pans, binning cooled fat and using a strainer reduce what reaches the pipe, though no habit promises the line will never slow again.

What does a visit cost?

It depends on the line and the method. The price is given first, before any work begins, and you can decline after hearing it. Ask what the visit includes while you are on the phone. If the camera shows something beyond cleaning, the technician explains it before going further, and you decide whether to continue.

Kitchen grease clog cleaning services in Florida: where we see it most

These city pages explain how grease clogs show up in local homes, from the age of the pipe to sewer or septic:

Related services

Clogged kitchen sink

Grease, food and the shared line behind the sink.

Condo kitchen stack clogs

When your sink fills with someone else's water.

Repeat drain clogs

Finding out why the same drain keeps backing up.

Grease slowing your kitchen drain?

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