Newer  coolants are supposed to be bio-degradable. That should mean
septic tanks and sewer plants should be able to handle it in small
quantities.

Regards,

John Rodgers
88 GL Driver

David Brodbeck wrote:

>On Mon, 1 Dec 2003, Scott Walker wrote:
>
>
>
>>A bit ago William (developtrust) was asking about r&r of a hose on his
>>waterboxer.  Many responded with what I am sure was helpful info, but I
>>do believe that one of his questions was left unanswered.  That being:
>>What do you do with your old coolant?
>>
>>
>
>This seems to be a controversial topic here.  Nearly everything I've seen
>elsewhere on the topic has said that for fairly small quantities (like the
>contents of a Vanagon cooling system) it's okay to pour it into the
>sanitary sewer and flush it with fresh water. (i.e., down your toilet or
>sink, but *not* into a storm drain, please!)  Apparently the sewage
>treatment plant can deal with it in small quantities.  This is probably
>not a good idea if you have a septic tank.
>
>You can check with your local recycle center or hazardous waste drop
>first, though, some of them may take it.  Last time I did a coolant change
>I wasn't in an area that had one.
>
>
>David Brodbeck, N8SRE
>'82 Volkswagen Diesel Westfalia
>'94 Honda Civic Si -- For Sale
>'86 Volvo 240DL wagon
>
>
>