I'm growing three different strains all three in a 2x2x4 tent. Pretty sure I had a magnesium deficiency with the haze xl so I treated it. But I'm not sure what's going on with the tips of my leaves. I'm growing in fox farm ocean Forrest and the fox farm trio nutes. I'm 3 gallon pots with a 300 watt LED. Can someone help. First picture is of what I think is the magnesium deficiency second is of the tip problem. This is my first grow can someone please help me.