Mine would not touch it. I recently started trying growing it in soil like the wheat grass people like. This appears to be taken better. We are still testing it out though. I will say I have better luck avoiding mold and the like using soil versus just water.
Automate what you can. A five gallon bucket and bite valves makes the water lots easier to deal with. Especially when you have more than a handful of rabbits.
I feed morning and night. The 30 min a day estimate is probably a bit high but does allow for "bad" days. i probably spend more like 15...
We built one about 8 months back for our now year old mini satin. It is a 30 inch cube with two levels. I took some scrap plywood and put some rolling wheels on it. The cage rests on this base. It makes cleaning around the cage easier. Our bun throws hay and some pellets around the base so we...