At the opposite end of the spectrum, extra-firm block tofu has been pressed to extract the maximum amount of whey possible.
There are other options, one of which is to buy cakes of tofu in refrigerated, commercially sealed, water-filled packages; another is to buy tofu that is vacuum sealed in an aseptic package.
Jason learned how to hand-mold tofu the traditional Japanese way from the original owners. Jason: It is very cheap to just buy a machine and just push buttons, and out comes a block of tofu.