While there are no hard and fast rules for what constitutes a soaking tub, water depth is the primary feature to consider.  So how deep should a soaking tub be?  Aim for a minimum of 14 to 15 inches of water depth. This level should be deep enough to cover most of a person’s frame. Some tubs, like Japanese soaking tubs, offer water depths of more than 22 inches deep.  Learn more about what makes a "soaking" tub with our What Is a Soaking Bathtub? article.

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