Tells you on the back of the packet what to do.
We run similar stuff (as part of the essentialy pure water coolant) in LMP and similar endurance cars for obvious reasons.................... however worth noting they only need to last 24 hours ;-)
It does work but it isn't the best stuff to have swimming around in the cooling system of a road car.
Cheers
M
Lmfao, wonder why the called it K seal and not some other random letterLoads of info on the Rover forums (for obvious reasons pmsl)