At 7.3 ounces, the Conair Turbo Extreme Steam’s water tank is fairly small compared to other handheld models, but in our testing it was enough to provide about 20 minutes of steaming time per tank. Place your plastic bag so that your entire shower head is immersed in the mixture of soap and water. But its intended purpose and regular use means that it’s also a place where dirt, grime, hair, and soap scum tend to accumulate.