The difference between hydro jetting and drain snaking is how each one clears a pipe. A drain snake, or auger, is a rotating cable that bores through or hooks out a single clog in one spot. Hydro jetting sends high-pressure water through the line to scour the full pipe wall clean.
Each tool fits a different job. A snake is the right first move for a single, local blockage, like a wad of hair or grease in a kitchen or bathroom line. It punches a hole through the clog and restores flow, and it is gentler on older, fragile pipe because it works at low mechanical force. Hydro jetting is the better choice when a whole line is coated in grease, scale or fine roots, or when a snake keeps leaving buildup behind that clogs again. The drain cleaning method you need depends on what the blockage is and how much of the pipe it affects.
Hydro jetting cleans far more thoroughly. It drives water at high pressure, often around 3,000 to 4,000 pounds per square inch for a residential line, so it scours the full pipe wall rather than poking one channel through the buildup. The U.S. EPA describes the method as directing high-velocity water against the pipe walls to remove debris and grease and to cut roots in small-diameter pipes. That reach has a limit. The pressure can be too much for old, cracked or corroded pipe, which is why a camera inspection first shows whether the line can take it. Neither method repairs structural damage, so a cracked pipe, an offset joint or a sagging belly that holds water needs a repair, and jetting or snaking only buys time until that repair is done.