Bob Hobden wrote:
Either you have been lucky or I've been unlucky.
It's put me off ever using that stuff again, a whole seasons veg seed had to
be re-bought and re-planted also putting me behind at the start of the
season. I know (hope) they will be improving it each year but "once bitten
twice shy".

I've had the same (zero germination or weak plants) thing with JI compost.
Which I will never be buying again.