So far my tours have been limited to three this year, 131, 278, and 440 miles respectively. I carried Boeshield with me, and used it after a daily wipedown at camp (or inn). If I do the Southern Tier next year, my plan is to do daily maintenance of this sort with a weekly wash-out with a can of brake cleaner, then relube. I normally do waxxing at home, but its not compatible with being on the road. There are caveats and qualifiers to every method I think. I just choose what I can do at the time, and the reality is that any effort you make towards a cleaner, healthier, lubi-er chain is better than nothing.