I'll agree with MistressNomad's advice to rinse out the filler inside the inner cart of the cartridges, drip your juice into the inner cart, and replace the filler into the juice. But I would use water to rinse it out and not rubbing alcohol. I know that rubbing alcohol evaporates, but I'll never take a chance on vaping any rubbing alcohol residue. Also, you don't have to dry the polyfill or filler overnight. It will dry in a few seconds with a blow dryer or even a paper towel will dry it enough quickly to be able to reuse right away. Took me about a minute to do all of that when I received my first atomizer and prefilled cartridge.
Also, you can buy Fluval (polyfill) from pet stores in the fish section -- or Marineland Blue Foam Size U works, too.
Also, you can buy Fluval (polyfill) from pet stores in the fish section -- or Marineland Blue Foam Size U works, too.
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