Question: what are the acidic fruits?
Answer: lemon juice (pH: 2.00–2.60)
limes (pH: 2.00–2.80)
blue plums (pH: 2.80–3.40)
grapes (pH: 2.90–3.82)
pomegranates (pH: 2.93–3.20)
grapefruits (pH: 3.00–3.75)
blueberries (pH: 3.12–3.33)
pineapples (pH: 3.20–4.00)