It depends on their digestive flora.  Better to check with a bird guy
before trying that.

James
james-osbourne, house of Holmes
American State National
a/k/a: Red Pill Media

On Tue, May 23, 2017 at 6:48 AM, MaryAnn Helland <[email protected]>
wrote:

> I've been reading a lot recently about sick Hummingbirds -- mostly from
> drinking foul water from feeders.  So I've been wondering if it would help
> -- or not -- to put a teaspoon of CS in the feeder.  ???  Or more?  Or
> less?  Or offer a separate feeder of CS?
>
> Any thoughts?
> MA
>