[muricula]

The concern probably isn't the acidity, but the heavy metals and other toxins in the solutions. Pouring tpxins down the drain isn't a good idea.

[hinkley]

Yeah it's being talked around in this thread but I think most of the participants seem to get it.

The solvents can be broken down to things that are compatible with the sewer system.

The hard part to deal with is the material you dissolved with the solvent.