Todd wrote:

> I prefer pyrethrins/rotenone over synthetics because of their natural
> origins (based on chrysanthamum extract, unless synthetic pyrethroids/and
> cube resins), and the fact that they degrade fairly quickly - usually within
> 24-48 hrs.

I appreciate Todd's desire not to affect the environment, but these
chemicals are not benign. I once used them for the same reason since I
wanted to stay organic, but was told by a scientist employed by an
Organic group that he would rather use some off the shelf chemical
sprays because they are much more benign.

If you read the label you will find they are very strong and very
dangerous to aquatic life.

Chemicals are chemicals be they made by nature or man. Detergent is a
mand made chemical but I can spray myself with it and not suffer the ill
effects that rotenone would produce. In fact, if you read the label, you
  should wash yourself off with soap (the man made chemical) and water
since rotenone is harmful to humans.

Many natural chemicals are bad for you. Arsenic is natural and was once
used as an insecticide.

It does take longer, spraying with soapy water, but since I love
computer games, it has the same effect and I am actually accomplishing
something, shooting all those bad guys out of the sky.

Bill Truesdell
Bath, Maine

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