waterers meds?

[TLCMidMichigan]

What is AVC? I think that's right.
I see some add this to their watering containers.

 

[Kiki]

Apple cider vinegar.
(usually with the mother in it)

 

[TLCMidMichigan]

Thanks. It finally came to me. DUH!

I use White vinegar at a 50/50 ratio with water to clean off rust on traps. About a 48-72 hour period will do wonders.