add cal and Mag.. this wont hurt one way or the other. Try to cut back on potassium and salt (full of positive ions and this mineral heavily sways for boy).
you want negative ions which would be new moon, water, showers, plants, fish tanks, fountains, humidifiers, lakes rivers oceans and avoid positive ions from all electrical things.
MS has a higher success rate when dh semen is thin. So have him take musincex before giving a deposit