Film yeast in carboy

[bcarwile123]

I have some film yeast in 3 out of 4 of my 5 gallon carboys. Fermentation is complete  but I would like to wait a bit longer to bottle as the cider ages in the carboys.    I almost always have issues with getting the rubber stopper to firmly seat in the carboy neck and this is likely the culprit.  I have started securing the stopper with rubber bands but even this does not always work well.

In Claudes's book he recommends cleaning out the film yeast with a clean paper towel and then spraying the surface and the neck with a 0.5% sulfite solution then dosing with 30 ppm sulfite.

Is  this 0.5% sulfite solution possibly a misprint in Claude's book and the intention was to use a 5% sulfite solution?    

I have on hand the 5% stock sulfite solution that he recommends for dosing sufite when starting a fermentation and a 0.5% solution which also has citric acid in it for sanitizing equipment but I do not have a 0.5% solution without the added citirc acid.  Do I need to make up a 3rd solution with 0.5% sulfite without the citric acid to spray in the neck and then does with 30 ppm using my regular 5% sulfite dosing solution?

Also I am considering dosing with less sulfite after cleaning possibly 10-20 PPM.

Thanks for some clarity on the sulfite solutions.

Bill Carwile

[Claude Jolicoeur]

You can use the solution mixed with acid - the small quantity acid isn't goint to affect your cider!

[Bill Carwile]

That's what I thought Claude but I wanted to make sure.  Thanks!

Bill Carwile

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