IMO- get the 125. The pond will be a serious can of worms. You can always get your money back on a tank. Money spent on a pond is a loss, if not worse by lowering property value.
Its easier to watch the fish in the tank too. Unless its a pond with a window, sort of like what I built.
Its easier to watch the fish in the tank too. Unless its a pond with a window, sort of like what I built.