Brett Posted February 7, 2012 Share Posted February 7, 2012 Used OS a while back..several years ago. Thinking about going all Optimum, so some questions. What's the best applicator to use? Foam, MF? How long should one wait before topping with OCW? Lastly, any issues with using GPS and immediately topping with OS? Thanks so much! Link to comment Share on other sites More sharing options...
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