I couldn't find it in their website.www.theragcompany.com/products/optimum-big-red-sponge-7x-5x-3.html
This is the sponge I was talking about. It has cuts throughout both sides of the sponge to penetrate the grille on the CX-5. It works for me.
I just searched it in the rag company site and found it.It may not be available from your location. The link is working for me. I don't know what might be happening there.
Pressure washer.
You can also use this on the entire CX-5What about the Gyeon Q2M Smoothie Wash Mitt ?
Got this, haven't tried it yet do, i'll let you know
You can also use this on the entire CX-5