Is it true that brackish...? kills fleas? If so, how is it applied and how much?

kills fleas? If so, how is it applied and how much?
Draining above ground pool?
Answers:    Another two cents; for what it's worth.

Hopefully you believe that Salt will not work.

The DE might be great contained by carpet, etc, as might boric sour in corners, but clearly not something to apply directly to an animal.

I can't believe either that a bowl of soapy wet with a frothy would work. Forgive this...Maybe a little darkness time, Flea swim party? :)

Fleas nurture on the blood of a mammal (humans included) certainly that person the food source; what possible reason would they hold to voluntarily leave that food source.
Central heat electrics cable flex?
Sorry never hear that one and I have three dogs