Paul Hoover, Owner/Winemaker
Still Waters Vineyards

Winery Equipment Testimonial:

"Upgrading your winery from 1000 cases per year to 3000 to 5000 can be a daunting task. The choices in winery equipment, capacity and price vary all over the place.  The great thing about Ryan is, having been a wine maker for years, he knows how to design things from start to finish. When I harvested my first ten tons of the year at 6:30 a.m., Ryan and his staff were there making sure everything was working correctly. I knew I had made a good decision."

Home > Wine Chemicals > Tannins, Enzymes & Gums > Tannin VR Grape (Biotan) - 500g

Tannin VR Grape (Biotan)  500g

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Tannin VR Grape (Biotan) - 500g
Proanthocyanidic tannins extracted from grapes.Thanks to the high quality of its extraction,


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Tannin VR Grape (Biotan)
Proanthocyanidic tannins extracted from grapes. Thanks to the high quality of its extraction, BIOTAN® contains only a negligible quantity of phenolic acids, which are known Brettanomyces substrates.

BIOTAN® allows:

  • Compensation for natural grape tannin deficiency.
  • Stabilization of color due to the formation of tannin-anthocyanin polymeric pigments.
 Tannin for Maturation & Aging
Instant Dissolving Process
Proanthocyaninidic tannins from Grapes
Dosage: 0.8 to 3.2 lbs per 1000 gal

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