Baking Water

Hey Everyone,

I’ve put a plane of water in my landscape.
I’ve set it up so it’s alpha is low so it’s transparent.
The ray mirror and ray translucency are on.
I’ve rendered it and it looks awesome. Just how i want it.
Apart from when i run it it looks crap. A plain textured plain.
I played with baking but it just turned black.

Help?

Thanks,
Ben