Table 2.

Measurements of pH, conductivity and the concentration of four major cations in the field water samples and standard embryo medium.

Sample	Ca (mg/L)	Mg (mg/L)	K (mg/L)	Na (mg/L)	pH	Conductivity (µS/cm)
SN1	54.05	6.50	9.01	28.89	7.47	476
D	51.16	13.60	12.92	39.22	6.14	931
SN2	54.31	6.82	8.46	28.57	7.39	509
K1	38.16	8.36	8.78	208.24	7.33	1343
K2	37.61	8.26	8.50	201.74	7.42	1322
Standard embryo medium	2.86	8.56	5.08	68.94	7.50	500