I'm hoping to add ducks to my homestead next year. Was thinking 3 females. Is there a standard ratio of how many gallons of pond water needs to be provided per duck? If you have a small flock, I'd love to know how many you have, how big your pond is, and how often it needs to be cleaned/refilled. The goal would be to drain the tub/pond though some kind of filter and use the water to water my berries. I've been trolling lots of posts about water re-use, still not exactly sure how to accomplish this yet. Straight though drip would clog the emitters. If you're doing something similar, would love to know how its working!