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Table 3

Tap water composition (R)

Parameters	Levels (ppm)
Ca²⁺	20.71
Na⁺	26.23
K⁺	4.56
Mg²⁺	3.17
Cl⁻	28.32
	11.44
Pb	0.01
Ni	0.02
Cu	0.02
Al	0.02
Zn	0.04
Ba	0.05
Co	0.01
Fe	0
Cd	0.01
pH	7.75
TDS	187.3

Parameters	Levels (ppm)
Ca²⁺	20.71
Na⁺	26.23
K⁺	4.56
Mg²⁺	3.17
Cl⁻	28.32
	11.44
Pb	0.01
Ni	0.02
Cu	0.02
Al	0.02
Zn	0.04
Ba	0.05
Co	0.01
Fe	0
Cd	0.01
pH	7.75
TDS	187.3