Ursula said:Epsom Salt/the Magnesium is to Chlorophyll what Iron is to Hemoglobin. One could imagine that some extra Magnesium will help producing nice green growth in your plants.
With essential plant nutrients, there is no benefit to applying more than is sufficient for growth and good health.
Applying too much of one nutrient can cause a deficiency of another.
But would you please explain this one a bit? How so?