Comment Volume of liquid to clean a cylinder (Score 1) 81
When cleaning a cylinder (i.e. baby bottle or thermos), you can: quickly rinse it out, add some soapy water, and vigorously shake the cylinder. But how much soapy water by volume is most efficient?:
A) less than about 1/5
B) about 1/5
C) about 1/4
D) about 1/3
E) more than about 1/3