Your 405 should be fine. I would use most of the baskets for Biomax or a similar product.
I like to use small 3/16" or so natural colored gravel about 2"-2 1/2" deep with fish like the ones your getting.
I know it has been said, but JDs may be an issue with anything else in the tank. It depends on the specific JD, mines a jerk and the primary reason I bought a second tank. He doesnt like ANYTHING else in his tank but him it seems....