Fermenting on bentonite can be tricky! Here's a quick rundown on why we like it and who it's right for. Who should ferment on bentonite? Winemakers making tank fermented whites that need early protein stabilization and preservation of aromatics, especially in high protein varietals or in difficult seasons. Why ferment on bentonite? Early removal of heat unstable proteins (solubility of proteins decrease as alcohol increases) Better preservation of aromatics than post-fermentation bentonite additions May lower overall levels of bentonite needed (compared to post-fermentation treatment levels) FERMOBENT PORE-TEC compacts well and leads to lower lees volumes than post-fermentation bentonite treatments What bentonite? FERMOBENT® PORE-TEC is our recommended bentonite for use during fermentation because of its exceptional purity, good dispersion, effective protein removal, and formation of a stable deposit. When is the best time to add bentonite? Bentonite may be added at any