If you slime a tire (witch i do some times) then evry try to tube the tire be sure to clean all the slime out of the tire. The slime degrades a patched tube. I even use a different type of slime ( pink) that is better sited for tubes. Plugs are good I use then as well. I now have spear tire and rims ready in the shop for a quick change. Then when times get slow it use this Harbor Freight great tool.