5-Gallon Water Dispenser for the RV May 28, 2024 at 2:03 pm #41020 matt.mcdonaldParticipant Joined: Feb 2024 Posts: 23 Likes: 11LikeUp0::We only take one, which lasts us an entire weekend trip with some left over. We just put it in the shower while driving and pull it out and put it next to the kitchen counter when we use it.