Replication No.

Mean

% mean removal

1

2

3

Before

After

Before

After

Before

After

before

After

-N (mg/l)

0.422

0.069

0.523

0.18

0.074

0.378

0.340

0.209

−38%

PO₄-P

(mg/l)

0.374

0.168

0.196

0.223

0.0178

0.045

0.196

0.145

−26%

NO₂-N (mg/l)

0.538

3.086

4.154

0.374

1.675

19.22

2.122

7.560

+356

NO₃-N (mg/l)

0.179

3.299

0.094

0.607

0.383

0.393

0.219

1.433

+654