Users fill the box with about two cups of muck-any sort has the right microbes, though stinkier stuff seems to work better-and some leftovers from the fridge (to feed the critters).

使用者需要在箱子里填满两杯污泥(适合微生物生存的任何垃圾都可以，当然恶臭的垃圾最好不过了)以及一些冰箱里的残汤剩饭(细菌的食物)。