pH Scale Comparisons

pH Scale	pH values of common items
14.0
13.5	household lye
12.6	bleach
12.0
11.5	ammonia
11.0
10.2	milk of magnesia
10.0
9.3	borax
9.0
8.4	baking soda
8.0	sea water
7.4	blood
7.0	distilled water
6.7	milk
6.2	corn
6.0
5.0	boric acid
4.2	orange juice
4.0
3.0
2.8	vinegar
2.2	lemon juice
2.0
1.0
0.3	battery acid
0.0