Premise: How to make new towels more absorbent<br>Wash each towel in hot water before use. Dilute the vinegar first or wait until the water level is high enough to dilute it instantly; otherwise, it might discolor your towels. The second wash cycle can include 1/2 cup of, but don't use baking soda and vinegar in the same rinse.
Hypothesis: You should use undiluted vinegar