Originally Posted by Tytaylor77

Looks like overwatering. I don't see any signs of deficiency.

I would check the roots and see if they are white and healthy! You may need to repot them. I use earth gro potting soil by scots mixed 50/50 with perlite! Perlite is the most important part. It will make the soil well draining and fluffy. Bananas love perlite!