About what others posted I add stuff according to season, use, and maintenance. If I know my fuel is going to sit a while I biocide otherwise its only a maintenance dose one in a while if the truck is going to sit long enough for it to "soak".
IMO
Fuel is regionally refined and distributed so it all starts the same therefore distributors and stations make the difference. Distributors cover a wide area and deliver to all brands of stations usually so the biggest difference is the pumps and stations. The big thing for me is buy fuel from high turn over quality stations. Avoid small stations with dirty pumps, poor maintenance practices (known or observance of facilities), and or low turnover.
Pick an additive you like and use it as desired no sense in going crazy adding all kinds of stuff that does the same thing. Also fill up before at 1/4 tank and you will get some residual so IMO ok to skip occasional tank if you fill at 1/4 or more with good fuel station is fine (except cold weather issues). I use some stuff for periodic maintenance. I don't feel like I have to run cleaner all the time more as maintenance. I like to switch it up and run something different thinking what the heck sometimes different cleaner will work on stuff one is not cleaning. Biocide you are suppose to run the different kind occasionally anyway.
