Hydro Jetting in Stone Mountain, GA

A kitchen line that has slowly filled with food waste, not just grease, often takes hydro jetting to clear. In a Stone Mountain kitchen with a garbage disposal, it is easy to treat the unit as a trash can with a drain. The disposal grinds food into small pieces, but those pieces still have to travel the whole kitchen branch and the main line, and some foods are far better at clogging pipes than others.

What the disposal actually does

A disposal breaks food into small particles and sends them down the drain with the water you run. It does not dissolve anything. Ground food behaves like wet sand or paste in the pipe: as long as plenty of water is moving, it travels, and wherever the flow slows, it settles. The kitchen branch is often a long horizontal run to the main, which gives particles many chances to drop out.

Foods that cause the most trouble

• Coffee grounds: they do not break down further and settle into dense, gritty layers.
• Eggshells: ground shell behaves like sand, and the membrane can wrap around the grinder.
• Rice, pasta and bread: they keep absorbing water and swell into a sticky mass.
• Potato peels: starchy and quick to turn into paste.
• Fibrous vegetables: celery strings, onion skins and corn husks tangle instead of grinding cleanly.
• Flour, batter and dough: they set into a glue-like coating.

Mix any of these with a little cooking fat and the result clings to the pipe wall even more stubbornly.

What a food-clogged kitchen line does

The kitchen sink drains slowly, especially right after the disposal runs. One bowl of a double sink fills when the other drains. The dishwasher leaves water standing in its bottom at the end of a cycle, because it empties into the same line. A sour smell rises from the drain, or the sink gurgles. If several fixtures beyond the kitchen are slow too, the food sludge has probably reached the main.

How a food-clogged line is cleaned

Access is usually through a cleanout on the kitchen branch, or through the trap arm under the sink once the trap is removed. A nozzle sized for the pipe breaks up the packed sediment and paste, and steady flushing carries the loose particles down the main instead of letting them resettle a few feet away. Coffee grounds and eggshell grit in particular need volume as well as pressure to move. A sewer camera inspection afterward checks that the line is clear and shows whether a low spot or a rough section keeps catching food. For the equipment behind all this, see our Georgia hydro jetting overview.

Kitchen habits that keep the line open

1. Scrape plates into the trash or a compost bin before rinsing.
2. Run cold water before, during and for a short while after using the disposal.
3. Feed scraps in gradually rather than all at once.
4. Keep coffee grounds, eggshells, peels and starchy leftovers out of the disposal altogether.

If the disposal itself hums, jams or leaks, that is a job for garbage disposal repair, separate from cleaning the drain line.

Before a Stone Mountain line is replaced

Before a corroded kitchen line or sewer is replaced, Stone Mountain asks owners to contact City Hall, even for work they think needs no permit, and its building department warns that skipping a required trade permit can bring delays and penalties. The city's plumbing permit form covers sewer and water service lines.

Kitchen sink and disposal questions in Stone Mountain

Should I run hot or cold water with the disposal?

Cold water is the usual advice while grinding. It keeps any fat in the scraps firm enough to be chopped and carried off, instead of melting and coating the pipe a few feet farther down. Keep it running for a little while after the grinding stops so the particles clear the trap and branch. Hot water is fine for rinsing a sink with no grease in it.

Why does my dishwasher leave water behind when the sink is slow?

Most dishwashers drain into the same line as the kitchen sink, often through the disposal or a fitting under the sink. When that line narrows with food sludge, the dishwasher's pump cannot empty the tub completely. Cleaning the kitchen branch usually solves both problems, though a clogged dishwasher filter or drain hose can cause the same symptom.

Can hydro jetting damage a garbage disposal?

Jetting is done in the drain line beyond the disposal, usually from a cleanout or from the trap arm with the trap removed, so the disposal is not in the path of the nozzle. If the disposal is jammed or leaking, that is handled on its own, before or after the line is cleaned.

Clear the kitchen line

Kitchen sink in your Stone Mountain home draining slower every week? Call Alpha Plumbing and Sewer at (404) 409-4448, mention whether you have a disposal and what usually goes into it, and we will plan the cleaning from there.