New pump for jbj 24g led nano.

[Jcs401]

I recently bought a new jbj 24g led nano and love everything about it, except I feel the pump that it came with for the return is slightly cheap. I am trying to ask if anyone knows of a good upgrade pump that will fit in the back return chamber that does a great job without blowing my sand all over the place. Any advice on items/products to make this little reef even better would be greatly appreciated.