The pond is actually an agricultural waterer that I had to get ordered in and it is approximately 300 gallons. I just picked it up two days ago.
My plan is to frame around it for extra support and then to box it in just to tidy it up. Basically having a ledge around the pond, perhaps to place some potted plants around to naturalize it a bit.
The only thing I have done with it so far is taken the drain and bulk head fittings apart to silicone the fittings before reinstalling them. I don't intend to actually utilize the drain so I figured I would seal it up the best I could before leak testing it.
The next step is to place it outside and fill it up and see how it hold ups for a few days.
