I know nothing about decomposed granite, other than what I read in the thread about it last week, or whenever is it was. As long as you're comfortable you got the right kind. But dang, that's expensive.

I don't think I'd use the casters unless they were set into a wooden frame that would support the tub so the casters, themselves, aren't putting pressure on the tank where they're located (as if casters were screwed into the tank itself).

One other thing. If the floor under the tile is wood instead of concrete, I'd think real long & hard before I set the tank up with that much weight. You definitely want to at least set the tank so that it runs perpendicular to the floor joists (across the joists, not in the same direction as the joists run).

I suggest laying down several boards between tank & tile to protect the tile, too.

How much does each .5 cubic feet of that decomposed granite weigh? And you'll have a total weight of (?)

Good to hear you're makin' progress. Keep on truckin'.

Later!
HH
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Due to political correctness run amuck,
this ol' hillbilly is now referred to as an:
Appalachian American

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