Originally Posted by johnny99
You need to wash off the old WL every time you re-lube. This isn't a problem for mountain bikers who regularly hose off their bikes. On a road bike, WL can really gum up your drivetrain.
I've used WL for years at over 10k miles per year and never wipe off the old WL. Just squirt it on after each ride and wipe it with a rag at the same time. Your chain will always look like new. The down side is you have to do it after each ride, but no black chain.