I have the refilable waterer with the black removable top and the little cap thing, and I cant figure out how it works. Does anyone else has one of these?
http://www.tractorsupply.com/webapp...02|16201|34411?listingPage=true&Special=false
http://www.tractorsupply.com/webapp...02|16201|34411?listingPage=true&Special=false