I'd be interested in thoughts from more experienced users of this method before I go dunking pen parts. Rugged and reliable all-in-one pipe lighter gives you the tools you need and the flame you depend on from Ronson. These multi-purpose ronson lighter ronson lighter are suitable for outdoor and indoor use. Purchase the latest ronson lighter ronson lighter options at affordable prices from. I also read that Coleman fuel (of which I have plenty) is colloquially called white gas but that it is essentially naphtha. Discover trendy selections from featured suppliers. Ron - are you still using old bottles/old formula or have you successfully switched to the new formula? Or are you just buying a quart/gallon of naphtha from a paint store? Other brand? Do you use the VM&P Naphtha? After returning home and doing a little searching on-line, I find that Zippo bought Ronson in 2010 and changed the formula so that it no longer contains naphtha. After bleeding the tank of air and refilling with Ronson fuel, the lighter stopped working just as the other reviews said. Add to Favourites Rare 1940s Ronson Lighter Repair Kit, Ronson Service Set, With Genuine Ronson Parts, Art Metal Works Canada CaribooCollectibles 5 out of 5 stars. The other reviews on this site are very negative about refilling this product as they claim the lighter does not work afterwards. Well the new bottle (which I ended up leaving on the shelf at the store) said nothing about containing naphtha. Set of 2 Vintage Lighters - Branded Advertising - Salem Cigarettes and Ronson Refillable Lighters Borealman 5 out of 5 stars (221) CA 25.81. I've got an old can of Ronsonol here that clearly states that it contains naphtha, but as it is old, and the fluid level is low, I stopped by the local drugstore to grab a new bottle. On the advice of Ron Zorn ( not throwing you under the bus here, Ron), I was going to try and loosen a cap jewel with some application of naphtha in the form of Ronsonol lighter fluid.