Our softener used salt and the slurry discharged in the main line
didn't stop the roots. Root Kill package was about $5.00 and would be
used in about 1.5 years. I didn't consider it pricey.

On 13 Aug 2006 06:47:34 -0700, "
wrote:


wrote:
Root Kill for treating roots in sewer drains is a copper compound. I
used that brand name product for several years semi-annually instead
of calling roto rooter.


Rock salt down the sewer is just as effective at a fraction of the
price, works great as long as your underground piping isnt steel, which
very few are.

Most bad lines are terracotta pipe, the trees love all those joints