After a puncture on my way home from work I've put this in the tubes. This stuff doesn't go off apparently & has the 'bit's' in it for better sealing. Last's life of tube & low temps (yet to be tested with co2). Obviously you need schraeder or removable core presta valves. Aldi doing a good offer.
https://www.aldi.co.uk/muc-off-inne...BlWD9CNx-I_rk6q3N7gaAgCNEALw_wcB&gclsrc=aw.ds
https://www.aldi.co.uk/muc-off-inne...BlWD9CNx-I_rk6q3N7gaAgCNEALw_wcB&gclsrc=aw.ds