Picrophilus Has a PH Optimum Below 1 and Can Even

Question

Picrophilus has a pH optimum below 1 and can even grow at or near pH 0.

Accepted Answer

Picrophilus is an extremely acidophilic archaeon that can grow at pH levels as low as 0.06, making it one of the most acidophilic organisms known. Its optimal growth pH is around 0.7-0.8.