A very low pH means high acidic water and the water will contain high concentration hydrogen ions [[tex]H^+[/tex]].
pH scale helps us to measure the acidic or basic nature of a substance or water.
In general, pH measures the relative amount of free hydrogen ion [[tex]H^+[/tex]] and hydroxyl ions [[tex]OH^{-1}[/tex]] present in a water.
Thus, a very low pH means high acidic water and the water will contain high concentration hydrogen ions [[tex]H^+[/tex]].
Learn more here: https://brainly.com/question/4355594