past date hc110

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fschifano

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I've got some - really old. Don't know when it expired, and the syrup is a little darker than some new HC-110 I bought earlier this year. Yet, it works, and seems to work well. Can't say for sure if your's is OK, but the batch you have isn't nearly as old as mine.
 

2F/2F

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It is fine. Period.
 

Denis K

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Everyones comments above assume that your original post relates to the original Kodak concentrate bottle and in that case I think 2F/2F summarized your prospects very well.

However, since Kodak doesn't usually mark their HC-110 concentrate bottles MM/YYYY, you may want to confirm that you were not talking about a premixed bottle of working strength solution. If that is the case, it would most likely still work but would be old enough to warrant a test to make sure, especially if your negatives are very valuable. HC-110 concentrate lasts almost forever. Once mixed to working strength solution, the clock starts.

Denis K
 

brucemuir

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There is a date code on the syrup/concentrate bottle.

Note: As of 2006, bottles of HC-110 are labeled with an expiration date. But if you transfer the syrup from the plastic bottle into completely full 4-ounce or 125-ml glass bottles, there is every reason to expect that it will still be good 4 or 5 years past the expiration date. At present I cannot distinguish between fresh HC-110 syrup and syrup that was stored that way since 2001.

from http://www.covingtoninnovations.com/hc110/
 

Denis K

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There is a date code on the syrup/concentrate bottle.

Note: As of 2006, bottles of HC-110 are labeled with an expiration date.

Thanks for the correction. I didn't know they changed that.

The HC-110 bottle I have interestingly has the exact same date code as the picture on Covingtons web page; or at least it did until the bottle sprung a leak earlier this year. I transferred it to a brown glass bottle.

I don't use much HC-110, but when I used it on a trip early this year it worked fine and that had the 1999 manufacturing date code. Frankly, I like the idea of knowing when it was manufactured better than someones idea of an expiration date.

Does anyone know if the new, post 2006, HC-110 bottles have both a manufacturing date and an expiration date or only an expiration date?

Denis K
 
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