Specially developed for Presta Valves. Finally a tube sealant for the roadies. Yes it installs through the valve. Seals punctures instantly. Protects tube against flats and leaks. SLUDGE is not just easy to install, but is also long lasting.
This is for the Roadies

DIRECTIONS FOR USE

Remove excessive powder from inner tube before installation
Turn valve open and let all air out.
Shake bottle well.
Cut nozzle off at required position.
Turn bottle nozzle over valve to cut thread in nozzle.
Squeeze 50ml into tube.
Grease valve with petroleum jelly before inflating.
Inflate tube & keep inflated to manufacturers specifications.