i am having issues as well with these lil cups, not sure if they are really getting water or not, they always seem to have just a little drop of water in them, i put a bucket for them to drink out of too, might be wrong but i dont want them to be thirsty.I have just been watching them, they where drinking for ages but not 1 held their hwas up after trying to take a drink as of to swallow any water. I habe 40 of the drinking cups i might dismantle 1 and see if i can find away to increase the flow rate. Ill get back to here with my results.
Thanks for your reply.