What is muriatic acid?

trying to unclog my plumbing, poured muriatic acid down bathtub and toilet and sinks...then tried bleach...that's when the fumes started, i was in the closed bathroom for appx 5-10 minutes, 24 hours later i'm still coughing and hacking up stuff and having...

I am cleaning my gas tank for my motorcycle and i am using muriatic acid. I let the tank sit overnight with the lid off so it would evaporate but there are still traces of gas due to smell, so i was wondering if it was safe to begin the cleaning process...

Hydrochloric acid for pool use is called Muriatic acid and is sold in a standardized concentration of 31.45 wt%. Calculate the molarity of a 31.45 wt% muriatic acid solution given that the solution density is 1.17 g/mL. Please show all work and explanations...

I cleaned my brick planters with a strong solution of muriatic acid, parts worked will, but one major section turned white with a film. How do I remove the film? The advice I read is to use muriatic acid to remove the film, but that seems to be causing...

I've drained the pool and am considering an acid wash. I've been experimenting with some muriatic acid that has been in my shed for at least 10 years and it doesn't seem very effective in cutting the build up and stains on my plaster. Would a new jug...