The cast iron plumbing on your property, and the sewer line in particular, is several decades old. You’ve been dealing with frequent clogs and backup, and you have to call for plumbing services frequently. Finally, a plumber breaks the news to you: the cast iron sewer line is too old, is clogged with mineral scale, and needs to be replaced.
…Or does it? We’ve often been called for second opinions on this topic and were happy to break it to the customer that the cast iron lines are not yet in need of replacement. In some cases, it may be possible to descale the lines so that they’re good as new!
Let’s say you’ve recently been told that your home’s 
