I have always just used a stick of white "bowstring wax", just generic simple stuff on my string. A friend of mine says that this is old school, and that I should be using some stuff in a green tube made by "bohning", because it has silicone in it, which protects the string better from moisture. This was news to me so I thought I'd ask you guys, what do you think? Also, how often do you apply wax to the string if you're pulling it back/shooting maybe 15 arrows a week?