Removing developer tar from a Nova deep tank

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AllanD

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Does anyone have a recipe for a good RA4 developer tar remover. I've used Nova's own product, and it works well. However, I've just run out and was wondering if there is a cheap alternative.
 

edz

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AllanD said:
Does anyone have a recipe for a good RA4 developer tar remover. I've used Nova's own product, and it works well. However, I've just run out and was wondering if there is a cheap alternative.

Yes. My favorite tar-buster is
  • - 1 part 60% Acetic Acid (as in Stopbath concentrate)
    - 1 part Pure IPA (Isopropanol >98%)
    - 1 part Aqua Dest. (de-minerialized water)

alternatively 1 Part IPA + 1 part SURIG Essigessenz vinegar concentrate from German Supermarkets (which is 25% but ..)
 
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