Sealants will only work on the tiniest of holes in tubes.
They also make the tube impossible to patch. It gets everywhere and it impossible to clean out. And no patch will stick to it. It leaves a greasy film.
If it doesn't work, you're likely going to have to bin the tube.
If you have tubes, you need to know how to fix/change a flat or have breakdown cover. That's the only answer.
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Did some trips.
Rode some bikes.
Fix them for a living.
Can't say anymore.
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