You've just learned the lesson why you don't put the sealant in before mounting the tyre...
i did it like the guy in the video!
i thought that the sealant helped to get the tyre inflated but clearly i was mistake in that respect.
@ChasnotRobert started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
You've just learned the lesson why you don't put the sealant in before mounting the tyre...