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Old 07-26-2014, 04:25 PM   #1
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Default Oily film from Sani Clean

Hey guys. So at work I use converted sanke kegs as fermenters and sanitize with Sani Clean. A couple weeks ago I cleaned a few fermenters ( pbw) and put three gallons of properly diluted Sani Clean in each. I rolled them around to contact all surfaces then put them in the corner upright with the sanitizer still in them.

This morning I was gonna rack a porter off the primary. I rolled one of the pre sanitized fermenters around again to coat all surfaces then emptied it into a bucket and left upside down to drain for about fifteen minutes. I was prepping everything to rack when I noticed a film on the bottom of the fermenter. I reached in and felt it and it was oily, almost greasy and fairly thick as far as a film goes. The other fermenters had the same film on the bottom.

Needless to say, I recleaned and sanitized them as usual and the film is gone. Anyone else experienced this with leaving Sani Clean sitting in vessels for relatively long periods of time?

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Old 07-30-2014, 02:17 AM   #2
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Bueller... Bueller.... Bueller.....

Just kidding. Well it's been three days and no replies so I'm guessing no one else who read this has ran into this issue. Google searches turn up very little. But I'm here to tell you that Sani Clean most definitely left a residue in the bottom of my fermenters after sitting for a few weeks at proper dilution.

I know most homebrewers use Star San and I have used it in the past sitting for long periods with no ill effects. I prefer the low foam but this has turned me off to Sani Clean and I will be changing over shortly.

Cheers fellas

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Old 07-30-2014, 05:39 AM   #3
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Did you contact five star and ask about this? I'd be curious to see their response. I was thinking about using saniclean for cip sanitizing of my conical once it gets into the rotation.

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Old 07-31-2014, 01:40 AM   #4
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You know I never even thought to contact five star but I will do so and report their response. I wouldn't be wary of using Sani Clean for the CIP on your conical. Just dont let it sit for very long... I use it for CIP on my brew system which is the only reason I started using it in the first place. I figured one sanitizer would be easier to deal with so I phased out the star san but I will be going back to it for fermenter and keg sanitation. Never had this issue with star san. Nor have I heard about it. The whole thing is strange and stranger yet no one has run into this before...

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Old 08-07-2014, 03:55 AM   #5
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What did you hear from five star?

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Old 08-07-2014, 09:56 PM   #6
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So I finally got around to calling Five Star yesterday. Talked to the sales manager, Nicole, who was very knowledgeable and helpful. She said in her opinion the most likely cause of this residue was the dyes in the Sani Clean attaching itself to beer stone in the bottom of my fermenters. She also said the dyes could not cling to the surface of 304 stainless if it was indeed truly clean.

To get rid of the beer stone she suggested an extended soak in a strong solution of Acid number 5. Which I will do but still don't plan on leaving the sanitizer in the kegs for extended periods.

In case your wondering how the beer stone got there in the first place, the previous brewer who I replaced was not at all fastidious in his cleaning habits. Though I can't physically see the beer stone it doesn't mean it's not there and doesn't surprise me at all. Cheers!

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Old 08-07-2014, 10:11 PM   #7
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Thanks for the follow up! I have a case of acid 5 sitting there. So I should be good to go. Plan was to clean with #5 and sanitize with saniclean. I want a low foaming cip solution for both functions.

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Old 08-07-2014, 10:22 PM   #8
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Your welcome. Brew on!

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