On 2/10/2008 5:27 PM, hallerb@[EMAIL PROTECTED]
wrote:
>> Okay... If you know here the blockage is - or can find out - dig up the
pipe
>> and repair the crack.- Hide quoted text -
>
>
> PVC line is unlikely to crack or get root troubles.
>
> terracota pipe is the most likely, and with joints every 3 feet, trust
> me roots are everywhere./
>
> rock salt can easily control the roots
>
If the drain is leaking -- most likely if roots have invaded it -- salt
will also leak, poisoning the soil near the drain line. You will kill
more than just a few tree roots.
--
David E. Ross
Climate: California Mediterranean
Sunset Zone: 21 -- interior Santa Monica Mountains with some ocean
influence (USDA 10a, very close to Sunset Zone 19)
Gardening pages at <http://www.rossde.com/garden/>