had a pair of schwalbe ones (the second generation ones not the current model) on one of my road bikes for a while and had my first slow puncture today, the valves do not have a removable core but from memory i did add some sealant many months ago but whatever is inside must be dried up by now.
whats the best thing to do? buy some new valves with removable cores, clean everything off including the bead and start again with a re-seat and fresh jizz?
pop the bead off, add 25ml and re-seat? i just have a track pump but had no issues seating before.
they have been on the bike about 2 years but being busy and having another bike to ride means the tyres are not worn out yet.