Good deal, glad you found some! A guy in town runs a feedstore - he is into alternative medicine and always mixing up his own magic linaments and feed recipes that are recommended by local vets (they are usually pretty good). He has all sorts of stuff on hand that you wouldn't expect to find...
It's odd... The chicks (3 weeks old) have a pie size plate of sand in the brooder to dustbathe in. A couple days ago I added an ounce scoop of food grade DE and mixed it into the sand. They are SOOO quiet and peaceful since, and sleeping better.
Is it because they were so itchy before...