I use both. Say 1/2 gal Zep, 1/2 cup EBC. Throw it down, wait 5 minutes, scrub with a deck brush, wait another 5-10 minutes and then hit it with hot water.
For drive-thru lanes, if you can throw in some butyle into the mix as well. It is great for automotive fluid removal.
Check this out - Mixing some EBC (Enviro Bio Cleaner)
