Hi
@ChefB202
You might be using Cal/Mg a little too early. Usually you should wait until the seedling is at least 14 days old before supplementing the feed water with nutrient additives.
Also is the soil considered a hot soil? I mean is it a soil to last the whole entire plants life cycle.
If you have planted the seed directly into a hot medium designed to give nutrients to the plant for it's full cycle. It might be too much for the seedling to uptake correctly at such a young stage.