Are my chemicals gone bad?

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aca

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Hello,

I am in the midst of a color darkroom session using a durst rcp-20 machine. This is my 4th time running my machine, but all of a sudden my (test) prints are turning reddish. I also notice the unexposed border is not white but orange-ish.

I am trying to come up with an explanation and I hope it's due to chemicals gone bad??

Here's my process from tests to almost final print and than all of a sudden "red orange". My time in the darkroom from to left to bottom right is my last test try.
1.jpeg 2.jpeg 3.jpeg 3a.jpeg 4.jpeg

Any suggestions??
Regards
 

koraks

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Maybe some blix got into your developer. In your place I'd mix up a small batch and verify if it works ok using trays, if yes, scale back on the rcp.
 
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aca

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Amsterdam
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Maybe some blix got into your developer. In your place I'd mix up a small batch and verify if it works ok using trays, if yes, scale back on the rcp.
Tx, I already clean up ......... and to my horror the stop bath was empty :sad: ...... seems I had turned the "crane" of the stop bath and it was open. I hope I haven't ruined the RCP thermo part :sad:

Going to my darkroom in 3 days again. What's the best way to check if I ruined the thermo part? put in water in all 3 baths and wait for 30-45 mins??
 
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koraks

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I'd just put water in it and see if it comes to temperature and stays there, yes.
I don't think it's the cause of your bad prints though.
 
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aca

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Tx,
I will give it a go this week and see if I can find out any more info.

btw this was my printing timeline this afternoon:
IMG_9437.jpg
 

koraks

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Looks like were in the same country :wink:
Also looks like something went wrong fairly suddenly, so cross contamination is certainly not ruled out.
 
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