Data Feb 23

Today the oxygen production of the primroses with flowers watered with tap water is 18.2% that is about 3% more then before. The oxygen production of the primroses with flowers watered with acid rain pH 4 was 20.3% which is 2% less. The oxygen production of the primroses with flowers watered with acid rain pH 3 is 21.2% 1 less then before. The oxygen production of the primroses with flowers that were removed was watered with tap water 21.9%. The oxygen production of the primroses with flowers that were removed watered with pH 4 was 19.9% almost 2% less. The oxygen production of the primroses with flowers that were removed watered with acid rain pH 3 was 16.5% about 3% less.