10X HBS (dry)

10X HBS/Ca/Mg from dry ingredients

To make	mL 10X HBS/Ca/Mg
add:	g CaCl2.2H20 (MW = 147.02)
add:	g MgCl.6H2O (MW = 203.3)
add:	g KCl (MW = 74.56)
add:	g NaCl (MW = 58.43)
add:	g HEPES (MW = 238.31)

pH 7.3 with NaOH

Filter sterilize