Nutrient

Enrichment levels (ppm)

Averaged concentration (ppm) (SD) of all treatments in three samples: 0, 24, 46 hrs

N-NH₄

1

0.599 (0.140)

N-NH₄

2

1.036 (0.169)

N-NH₄

3

1.554 (0.117)

P-PO₄

1

0.275 (0.023)

P-PO₄

2

0.522 (0.033)

P-PO₄

3

0.758 (0.103)