I see discussion on here about tyre repair kits, ie the type with the plugs and co2 etc. in them and they seem the goods. My question is, and forgive me if its a silly one, the "Prevent a flat" type fluid that you put in your tyre and then plugs the hole and cures, is it an option or is there a reason why its not used?, like buggering the tyre balance or something. I have used it in my ride on mower albeit a somewhat low speed machine, after the mad dog I own filled the tyre with teeth holes, and it worked a dream, been in there plugging those holes for two yea