I believe minimum fluid requirement is 23 ml per pound per day - but you will want to re-check that.
https://www.backyardchickens.com/th...ures-updated-9-15-2016.1064392/#post-18827506
https://www.backyardchickens.com/th...d-pics-for-visuals-very-detailed-post.805615/
https://www.backyardchickens.com/th...ures-updated-9-15-2016.1064392/#post-18827506
https://www.backyardchickens.com/th...d-pics-for-visuals-very-detailed-post.805615/