Did you try the FR in pellets? my flock has always eaten FR but I buy the crumble and moisten it with ACV and warm water. Not sure what else is out there unless you can get duck feed. a lot of folks swear by Mazuri. and as for not getting in the pool, hum mine love the pool especially when I first put fresh water in they stand in line to see who can get in and poop in it first LOL but I will say my ducks more than the drakes get in and splash around,.