PVPP powder Polyfilter 10 (Polyvinylpolypyrrolidone) Great for Gifts It reacts preferentially with tartaric

It reacts preferentially with tartaric acid over malic acid

simple and the reagents are stable

It would sit about 2 feet down into the carboy when the bung is inserted in to the mouth of the carboy as is

Gold Medal – 2016 Finger Lakes International Wine Competition

PVPP powder Polyfilter 10 (Polyvinylpolypyrrolidone) Great for Gifts It reacts preferentially with tartaricPVPP powder (Polyvinylpolypyrrolidone), also known as Polyclar. This material is used primarily as a fining agent with white wines and provides rapid clarification and reduction in bitterness and brown colors in white wines. It reduces a lot of color in reds but improves the hue. Normal usage is 1 to 3 grams per gallon. Multiple sizes available. Select your desired size. See Commercial Supplies for larger quantities. Click Here for Polyfilter 10