● Pure water 👉🏿 7
● Human blood 👉🏿 7.35 – 7.45
● Sea water 👉🏿 7.5 – 8.4
● Ammonia 👉🏿 10.6 to 11.6
● Milk 👉🏿 6.5 – 6.7
● Normal rain 👉🏿 5.6 to 6
● Acid rain 👉🏿 2 to 5.6
● Human urine 👉🏿 6
● Black coffee 👉🏿 5
●Beers 👉🏿 4.5
● Wines 👉🏿2.8 to 3.8
● Vinegar 👉🏿2.9
● Lemon juice 👉🏿2.4