we have 4 ducks and 5 chickens and want to keep a watere inside the coop with out it rotting the floor , had it inside but the mess was to much . it's ( the waterer) in the run now ,as was the pool . they are'nt always let out right in the morn and they get thirsty , any ideas how to solve this , without the mess , it will have to be inside come winter . thanks for any suggestions you may have !!