-
If not, you can also just unseat tyre and carefully pour sealant into a clean jar and then pour it into new tyre.
This sounds in line with what I have been doing so far.
knock tyre over and send sealant over yourself and whichever unfortunate flooring you've decided to change tyres on, try to soak up sealant using paper towel which quickly disintergrates, give up and just put new sealant in.
This too
Do you have a syringe (with a length of tubing is easist)? That's the neatest way - suck it out, change tyre and inject it back in before fully seating tyre (or through valve stem).
If not, you can also just unseat tyre and carefully pour sealant into a clean jar and then pour it into new tyre.