Opposite of Alkaline, Has a Ph Below 7
This page is the CodyCross answer for the clue below from Street Fair, Group 1319, Puzzle 1 (Upcycled Things).
Question is: Opposite of Alkaline, Has a Ph Below 7
and the answer is: ACIDIC
Word Meaning:
ACIDIC — Of or relating to acid; having the character of an acid.
Definitions from Wiktionary.