Posted by jimbo on August 10, 2004 at 20:04:29:
In Reply to: Re: tub drain posted by LonnythePlumber on August 10, 2004 at 19:08:33:
:It's CLR ( stands for calcium-lime-rust remover), a brand name product. It contains a mild acidic solution, just as vinegar is a mild solution of acetic acid. I think white just costs less! Either one will help to loosen hard water mineral deposits, which is often the cause of it being stuck.