Star-san in beer lines

[TappedOut]

Also, discovered recently Star San is a bad thing to leave in your beer lines. You are better served using a cleaner like BLC but double the recommended dose and thorough rinse with water.

Starting a new thread to not clutter up other one. This piqued my interest. Why is it bad to leave star-san in beer lines?

[DrPaulsen]

I've noticed that it seems to break down the plastic if I leave Starsan in the lines for too long. Had to throw away some tubing that started getting an oily residue on it. Now I just rinse with water and call it good enough.

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[tony b]

I've had some picnic tap lines get cloudy if I leave them in the StarSan bucket for too long. I've assumed that it's interacted with the plastic and replaced them.

[andrewmaixner]

There is an old podcast interview with one of the chemists from five star, he said that starsan will not hurt the plastic tubing, but it may leave a residue which can be washed off with a different chemical if desired.

[tony b]

Any clues as to what this "different chemical" might be?

[andrewmaixner]

Any clues as to what this "different chemical" might be?

Here's the interview I book marked
http://s125483039.onlinehome.us/archive ... -19-06.mp3