Wet Cardboard From Filtering

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Reignman
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Wet Cardboard From Filtering

Post #1 by Reignman » 1 year ago

I bought a Buon Vino mini jet wine filter last summer. I have only used it for beer, but hopefully someone can answer my question here. I used it only once before with great results. Very clear beer. However, last week I filtered a hazy Pilsner and ended up with a wet cardboard taste. What happened?
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Warthaug
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Re: Wet Cardboard From Filtering

Post #2 by Warthaug » 1 year ago

Oxidation; likely didn't have the plates clamped tightly enough and air got drawn into the cartridge.
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Reignman
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Location: Cavan, Ont.

Re: Wet Cardboard From Filtering

Post #3 by Reignman » 1 year ago

Okay. I did get a lot of foam at first. I'll tighten them more next time. I did see drips where it first comes to the pump. I tried to get it to stop, but nothing worked. Maybe a clamp? I wish they used a simple fitting where all you have to do is just use a hose clamp.
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Reignman
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Location: Cavan, Ont.

Re: Wet Cardboard From Filtering

Post #4 by Reignman » 1 year ago

Nope. I did everything right at least I thought. Still got wet cardboard taste. Leave the filter for wine.
CRZ
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Re: Wet Cardboard From Filtering

Post #5 by CRZ » 1 year ago

I use to filter all my beers down to .5 microns. I got 3 batches in a row that got oxidation. Since then I no longer use my Vino super jet to filter beer anymore lol. I've used gelatin now for 4 batches and I'm happy with it. I can't get it as clear as a .5 micron filter but I do sense more flavor now.
I'm thinking of making and trying out the water filter canister method to filter now.
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Reignman
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Location: Cavan, Ont.

Re: Wet Cardboard From Filtering

Post #6 by Reignman » 4 months ago

I got some more info online about the mini jet filters. Use 1 litre of clean water and add 1/8 tsp of metabisulphate plus 1 tsp of citric acid to wet the filters for a few seconds. Run a gallon of clean water through them before filtering the wine and you won't get any wet cardboard taste. Worked for wine, but I haven't done it for beer. Gelatin seems to work just as good for beer though.

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