Microbial growth

trashguy9

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Didn't want to hijack andy_48's current thread & his post/question ("How can one tell if microbial growth is the problem? More importantly, how is it avoided Ink storage conditions?"), so I started this one.

I too would like to know the answer. Just today again I had ink starvation on my PM. I had filled 4-5 times since last flush. My ink (Pression Colors) is now a little over a year old and the last few months I am having more & more problems as time goes on. Thinking about flushing all my carts again & dumping my current ink supply and ordering new in smaller bottles, then dump again in six months. May start storing the bottled ink my beer fridge also, or is that a bad idea? Just had such a good run with the Pro 100 and then like I said I have had many clogs and starvation/flow problems the last few months. I print almost every day, or every other.
 
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Smile

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Microbes don't grow in vacuum, well some do, but only a few. Google anaerobic.
So ink is best stored in some sort vacuum jars with at least 0.8 vacuum. Other than that it is not recommended to store longer than 2 years due to chemical changes in the inks themselves. But since inks are very different this rule does not always apply.

Other than that just store your ink bottles in dry cool place (not fridge), not cooler than freezing point. But theoretically inks should last longer in cooler storage.
 
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