Purple liquid is BX1, this is part 1 of the bleach&fix bath. It may be possible to replace it with home brew if you are ready to experiment. See my thread Tetenal E6 milky part 2 about this, in my case BX2 went bad from storage.

At the same time, you say that this already was the case when you opened the parcel. Maybe you should talk to the seller whether they have some policy on that ....