Pulling just one random root killer MSDS shows Copper Sulfate Pentahydrate 99%.
It's really kinda absurd that you can possibly dump this into the
drain legally while at the same time there are stringent restrictions
on metal salts in sewage.
ST
On Mon, Dec 7, 2009 at 2:40 PM, <kabowers@...> wrote:
> On Mon, 7 Dec 2009 07:54:29 +0100, you wrote:
>
>>They do let copper salts go into the environment at times. Someone
>>found copper chloride firebox cleaning sticks, and copper sulphate was
>>(is?) used as pesticide. Fireworks also use metal salts for color. I
>>think copper sulphate is even naturally occuring as a mineral.
>>
> Go to your local hardware and look for sewer root killer. I've got
> a bottle down in the basement.
> Keith Bowers WB4LSJ- Thomasville, NC
>
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