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Mold problems ... 
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Joined: Wed Sep 02, 2009 2:05 pm
Posts: 33
Post Mold problems ...
Thanks for all your teachings!

I am doing a print where I am experimenting using several types of paper. Several sheets began to mold. I threw them out but am afraid of what may have happened. Are the other prints and my chipboard contaminated with spores?

My first go around my paper was wet for 7 days. The second go around is when the mold showed up at 4 days of the paper being wet under plastic.

The print is a two block reduction print. I have several more rounds to go.

Any advice? Thank you.

Mon Jan 03, 2011 3:58 am
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Joined: Mon Aug 31, 2009 2:30 pm
Posts: 194
Location: Tokyo, Japan
Post Re: Mold problems ...
As for the 'contamination' question, you have to realize that the mold (and the spores) are everywhere anyway. We live with that stuff surrounding us. It's in all our paper all the time.

Where it gets to be a problem is when you keep the paper in a 'fertile' condition for letting the stuff grow and develop, which you have obviously done. You say that 'some' sheets have begun to mold, but what you mean is that in those sheets, it has got far enough that you can see it. Believe me, it is very much present in the entire package, and the rest of the sheets will also be host to flourishing colonies, presumably just below the level of what you are able to see.

So yes, if these prints are something you consider to be important - that you wish to last a long time - then you have a big problem. If this were me, I would junk them and start again, but because you are doing reduction, that's not so easy. All I can recommend is that you dry them off, prepare a weak bleach solution, give them a thorough bath, dry them off, and then re-moisten and pick up where you left off.

Also, if you have visible mold showing up after four days, then either your workroom is way too warm (sun coming in through a nearby window?), or the paper was full of mold before you even got going ...

Mon Jan 03, 2011 4:06 am
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