I think anything you choose that works for you is going to be great! My personal preference because of the hoards of mooching wild birds that can squeeze through coop wires, I like the nipple valve waterers whether used in individual hanging buckets, Rubbermaid jugs, or PVC pipe, or whatever. We have loved the nipple valves for keeping the wild birds from pooping in any kind of open water supply and the water source stays clean of debris, bird poops, or insects like mosquitos, ants, gnats, etc.
Yep! That's why I love mine! I rinse it out and refill it once a week. I believe it holds close to 5 gallons of water. The Feeder holds 5+ lbs of food. Currently I have 5 hens. I can see the chicken math attack already. Should be adding more coop and run space over the course of the next few weeks. I like the pvc feeders and waterers because they take up such little room in the run.