We're getting 7 chickens in a couple of days--5 from one flock & the other 2 from a different flock. We have to keep them separated for about 3 wks (what I was told by the owner of the 5) and give them antibiotics. We got some probiotic & electrolyte packs that they sell @ TSC--the 3 pack kinds. It says to mix 1 pack of each kind with a gallon of water & have plain water in a different container out for them as well. We are going to use milk jugs we've got in the house for both the waterers & the feeders. For both we are going to cut out an opening several inches above the bottom of the jug so that the food & water will be contained. So there's no problem there but here is the problem: we can't figure out what to use for the 1 gallon waterers that will have the pro/electro mixture?? We obviously can't cut an opening in a jug for this because it needs the full gallon of water and not whatever amount the opening would hold. We really don't want to spend the kind of money that the store gallon waterers cost because we'd like it to be as diy as possible. If what I'm asking makes enough sense to you guys can you please help us figure it out? We only have 2 days til we get them. Thanks!