"Snooze" wrote:

wrote in message
...
is it safe for fish????? soap?????? I dont think so. Ingrid

Sorry Ingrid, but that response is fear mongering, with out any apparent
basis in fact.

The active ingredient in Safer Brand Insecticidal soap is 49% Potassium
salts of fatty acids.
Which has an LC50 of 18-30ppm on fish.

In a 1300 gal pond, 18ppm is about 0.234 gal or 0.88 liter. Since the soap
is at 49% concentration it converts' to half gal or 1.8L of product.

A few spritzes of the stuff is about one ounce? Or about 0.6ppm. At that
concentration it's not even worth bothering about.

References:
http://npic.orst.edu/factsheets/psfatech.pdf




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