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Mixing Concerns-V30

olivia lane

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I have a question for my Minilab mentors!

Recently I cleaned out the processing tanks and I'm waiting on new chemical filters to arrive till I mix solutions for the working tanks.

This is my concern- I know the chemicals in the replenishing tanks have been in there for about 6 weeks...can that cause serious contamination for the new mixtures in the working tanks and ruin the film? 

thank y'all, you rule!

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It won't cause contamination but it could cause under development.

Check the colour of the CD in the rep tank, if it has gone black it means it has oxidized so will need to be drained out and fresh CD mixed. If it is a light brown colour it will probably be OK. I would say the BL, Fix and STB should be OK.

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