If the drain still runs slow after two rounds of this process, the mud may have compacted into a sand/gravel layer. In that case, call a professional with a hydro-jetter—it’s the only tool that truly blasts mud into solution.
If the mud came from shoes, pets, or outdoor gear, stop using the drain until it’s clear. Remove the drain cover or strainer to access the pipe directly. how to dissolve mud in drain
To dissolve drain sludge ("mud"):
Mud and sludge in drains are typically composed of solid mineral particles (dirt, clay, sand) often bound together by organic binders like soap scum, grease, or hair. Because the mineral components do not "dissolve" in the chemical sense like sugar or salt, the goal is to break down the organic "glue" and use mechanical force to flush the remaining solids through the system. If the drain still runs slow after two