Tank arrangeable in liquid consuming apparatus

A tank comprising:

• a liquid storing chamber which is configured to store liquid to be consumed in a liquid consuming apparatus;
• a first wall expanding in a horizontal direction and in a direction having a vector component in an up-down direction, the liquid stored in the liquid storing chamber being visible, through the first wall, from outside of the liquid storing chamber, a front surface of the first wall being provided with a minimum line indicating the lower limit of the liquid amount stored in the liquid storing chamber;
• a second wall including a supply port located above the first wall and being configured to supply the liquid to the liquid storing chamber therethrough;
• a third wall defining a bottom of the liquid storing chamber;
• and
• a fourth wall arranged in the liquid storing chamber,
• wherein a first gap is formed between one of the first and second walls and at least a part of a first end in a first direction, of the fourth wall, which is located closely to the one of the first and second walls, the first direction being parallel to the first wall and parallel to the horizontal direction,
• a second gap is formed between the third wall and at least a part of a second end in the first direction, of the fourth wall, which is located closely to the third wall, and
• the second gap is located below the minimum line.