Does it make a difference if you re-BLIX the paper? BLIX is a process which runs to completion, so you can do it as often as you want or need. I have also seen PPD based developers go up in pH as they age, so maybe your color developer is too old.
What is your development equipment and procedure?
Now we figured it out, the proportion of processor wasn't true, my friend computed it had serious error and the configuator is me.
The proportion of developer exceed four times and a serious shortage of the b-fixer proportion.
Now these color of pictures are true.
8*10 in from Ektar 100, 6*9, Mamiya Press S, December 2015
8*10 in from Fuji Superia 200, 135, Werra 2, November 2013
I was surprised of color negative, but larger format can make me not to worry about dust and scratches