After almost six months thinking about it, I finally switched to sand.
I used 100 pounds of play sand in my 55 gallon, I think my cories are loving the sand.
It took me almost 3 hours to get the job done. The task the took the longest was rinsing the sand.
I would like to know the proper way to clean sand, I also need a peaceful small fish to stir the sand. It has to be a small fish becauseI iI am at 85% of my stocking capacity.
I don't want mts because the reproduce to fast , it needs to be a fish that gets along with my bettas and my cories.
The Styrofoam cup is full of some of the gravel that was before in the tank, just to promote bb growth.