RMG has too many oils in them to use under Ziano. I personally don't like the look that long lasting sealants like Ziano and SG has on dark color cars. They look plastic like or sterile to me. Another reason I don't like Ziano is that it has to alway be oil free and that many polishes has to have an alcohol wipe down to use it. FWIW AIO/SG combo is probably the best alternative to Ziano for durability. If you are willing to do more work( every 2-3 months) try 4*UPP as it has a deeper look and last reasonably long. I don't think you can use RMG over sealants due to the cleaners. If I were you I go with the Menzerma IP, FP then 4*UPP.