ELEMENT

OKPOSI BH (Mg/l)

AFIKPO BH (Mg/l)

Desaline Water

WHO (Mg/l)

Chloride

980

280

250

Sodium

396

219

235

200

Sulphate

700

420

198

400

Magnesium

350

190

394

150

Calcium

342

225

0.1

200

Potassium

117

39

35

Bicarbonate

98

14

11

Bromide

23

6

4.5

Strontium

19

8

7.1

Silica

6.4

6.4

6

Boron

4.5

4.5

4

Fluoride

27

2

1.3

1.5