I suppose you dump a little bit of bleach in it to make sure it's disinfected too. :beatup:Yes it is, works great to remove bluing and rust, its meant to clean and be flushed.
Also, country folks with septic systems don't dump that stuff down the toilet.
You must be from the "hooked on phonics" generation. :biggrin:Plumming is charged by the hour 3 hour minimum at 35 an hour.