muriatic acid, this brand safe to use?

Richard320

TFP Expert
LifeTime Supporter
Jan 6, 2010
22,069
San Dimas, CA (LA County)
That's the stuff!

The label even says 20° Baumé Hydrochloric Acid 31.5% By Weight.

If that is in, say, paint department, or masonry, wander out to garden where the pool stuff is kept and check the price on the swimming pool brand. Then buy whichever one is cheaper.