Their water containers in the wild are flowers, and pooled dew drops and other 
fresh bits of moisture that evaporate, rather than culture mold from sugar 
water going 'off'. L
On May 25, 2014, at 2:55 PM, Alan Faulkner wrote:

> Hmm, who washes their water containers in the wild?
> 
> Al
> 
> 
> On 2014-05-25, at 10:34 AM, Lena Guyot wrote:
> 
> I, too, struggle with keeping feeders clean and mold-free, and after 
> cleaning, rinse mine with CS, but then thoroughly wipe them dry, as I'm 
> afraid CS could interfere with hummers' benign bacteria and enzymes. 
> Be well,
> Léna
> On May 25, 2014, at 12:40 AM, Walter Anderson wrote:
> 
>> A quick Google didn’t turn anything up so I thought I’d ask the list:
>> Do you have any experience or other knowledge to indicate whether CS would 
>> be helpful/harmful/neutral do hummingbirds? The reason I ask is mould can be 
>> a problem in hummingbird feeders and I was thinking CS might help stop that 
>> (not sure on this either, just thought it might inhibit mould too—please 
>> correct me if I’ve missed the boat). I’m not sure what kind of digestive 
>> system hummingbirds have (their diet is nectar and insects) and whether CS 
>> would be compatible with their needs or not. All feedback/ideas are welcome. 
>> - Walter
> 
>