The tolerance of holes customer defined is too tightly for us...
aAn aquarium with at least 50 gallons of water and eventually much bigger aquarium with an exterior power filter with a bio-wheel, 有至少 50 加仑的水的一间水族馆和最终很有一个生物轮子有一个外部的力量过滤器的更大的水族馆,[translate]