Hello,
I have been noticing for some a little while recently that our bright tank sight tubes show signs of oxidation. I get the same color there as in beer I let oxidize. We have tried to cover the tubes up between transfer and packaging to avoid light but it doesn't seem to be having an effect which is why I think is oxidation. Does anyone else see issues like that? My best guesses are that there is residual PAA left there and since the sight tube is so small the effect is more noticeable. Or that it is not getting purged well, but we do a pretty long purge (can elaborate). Can I try reducing the concentration of PAA and cycling longer or would that reduce efficacy? Right now it runs from our stand pipe to the top of the CIP arm, is there any way to force CO2 in that direction?
Thanks
I have been noticing for some a little while recently that our bright tank sight tubes show signs of oxidation. I get the same color there as in beer I let oxidize. We have tried to cover the tubes up between transfer and packaging to avoid light but it doesn't seem to be having an effect which is why I think is oxidation. Does anyone else see issues like that? My best guesses are that there is residual PAA left there and since the sight tube is so small the effect is more noticeable. Or that it is not getting purged well, but we do a pretty long purge (can elaborate). Can I try reducing the concentration of PAA and cycling longer or would that reduce efficacy? Right now it runs from our stand pipe to the top of the CIP arm, is there any way to force CO2 in that direction?
Thanks
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